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PCB Keyswitches

PCB Keyswitches
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PCB Keyswitches

Product catalog summary
MICON 5 Tactile Switches
MICON 5 tactile switches are designed for high reliability and compactness, suitable for various soldering methods including wave, reflow, and vapor phase soldering. They are available in THT and SMT versions, compatible with automatic assembly machines, and are RoHS compliant. Key features include a snap-action contact system, a range of operating forces, and a maximum rated power of 1W. The switches operate within a temperature range of -40°C to +90°C and comply with several environmental resistance standards.
Plungers
MICON 5 plungers are available in round and square shapes, with options for illumination. The round plungers can be non-illuminable or feature ring illumination, while square plungers are illuminable. These plungers are designed to be used with MICON 5 switches and are available in various sizes and configurations to suit different applications.
Technical Specifications
The switches have a housing length of 6.4 mm and width of 5.1 mm. They feature a contact arrangement of 1 NO with gold contact materials. The rated voltage ranges from 0.02 V to 35 V, and the rated current ranges from 0.01 mA to 100 mA. The switches are designed to withstand a maximum rated power of 1 W and have a contact resistance of ≤ 100 mΩ when new.
Mounting and Packaging
SMT versions are packed in tape and reel with 2100 pieces, while THT versions are packed in tubes with 102 pieces. Special mounting tools and recommendations for screen printing are provided to ensure optimal installation and performance.
Compliance and Standards
All products are RoHS and REACH compliant, ensuring they meet environmental and safety standards. The switches are also listed in the International Material Data System (IMDS).
Specifications:
The document outlines the specifications for MICON 5 and RACON tactile switches, which are ROHS and REACH compliant. The MICON 5 switches are available in various sizes (11x11 mm, 14.5x14.5 mm, and 18x18 mm) and are designed for PCB key switches with illuminable and spot-illumination features. The RACON switches are known for their high switching reliability and are available in different configurations suitable for various soldering methods.
System Design and Assembly:
The document provides detailed assembly instructions for the MICON 5 and RACON switches, including dimensions, embossing, adhesive thickness, and distance sleeve specifications. It also includes typical system designs with protection ratings of IP 40 and IP 65.
LED Placement and Illumination:
The document describes the possible arrangements of LEDs for the MICON 5 switches, highlighting the placement options without the front panel, foil, and lens. It specifies the overall height and color options for the lenses.
Technical Data:
The technical data section includes mechanical and electrical characteristics of the switches, such as operating force, switching travel, rated voltage and current, contact resistance, and operating life. The RACON switches are available in THT and SMT versions, with specific details on terminal types and solderability.
Order Information:
The document provides order numbers for different configurations of MICON 5 and RACON switches, specifying dimensions, lens colors, and other relevant details for ordering.
Additional Information:
The document includes information on accessories for the RACON switches, such as spacers and keycap bodies, and provides a brief overview of RAFI's history and commitment to innovation in human-machine communication.
Overview: The document provides detailed technical specifications and assembly instructions for RACON 12 tactile switches, which are designed for high reliability and compactness. These switches are suitable for various soldering methods and can be used in different configurations, including single keys, rows, or key blocks.
Specifications:
  • Dimensions: Housing length and width are 12 mm each, with overall height specified in the order block.
  • Mechanical Design: Mounting is done via soldering, with snap-action contact systems and gold contact materials. No illumination is provided.
  • Electrical Characteristics: Rated voltage ranges from 0.02 V to 35 V, with a rated current of 0.01 mA to 100 mA and a maximum rated power of 1 W.
  • Environmental Resistance: Operating temperature ranges from -40°C to +90°C, compliant with various DIN EN standards for environmental resistance.
  • Compliance: The switches are ROHS and REACH compliant.
Product Variants:
  • SMT Gullwing Terminals: Available in different operating forces and travel distances, packed in tape and reel.
  • THT Terminals: Available for both inward and outward configurations, with specific operating forces and travel distances.
Accessories: The document lists various accessories such as spacers, plungers, and keycaps, with specific order numbers for each.
Assembly Instructions: Detailed assembly diagrams and recommended configurations are provided for different system assemblies, including standard, lowest, and typical system assemblies.
Key Cap System: The RK 90 II key cap system is designed for RACON 12 switches, offering individual sealing and light conductor options, with a degree of protection rated at IP65.
Overview: The document provides detailed specifications and descriptions of various tactile switches and related components, focusing on the RF series, particularly RF 15 and RF 19 models. It includes information on light conductors, lenses, and LED specifications, as well as mechanical and electrical characteristics of the switches.
Specifications: The document outlines the specifications for different types of tactile switches, including RF 15, RF 15 N, RF 15 R, and RF 19. Each switch type is described in terms of dimensions, mechanical design, electrical characteristics, and other specifications such as operating temperature and compliance with standards like RoHS and REACH.
Procedures: The document includes instructions for mounting the switches on PCBs, specifying soldering techniques and temperature limits for wave and manual soldering. It also provides guidelines for designing low-profile keyboards using RF 15 components with a recommended key grid of 19.05 mm.
LED Specifications: Detailed specifications for various LEDs are provided, including forward current, wavelength, forward voltage, and operating temperature ranges. The document also discusses the brightness variations in LEDs and how to achieve uniform brightness through circuitry adjustments.
Accessories and Additional Components: The document lists accessories such as extension plungers and LED spacers, providing order numbers and additional specifications for each. It also mentions the availability of legended lenses and keycaps for customization.
Recommendations: Recommendations include using area embossing over keys for overlays and ensuring proper illumination by placing LEDs on spacers for switches with certain overall heights. The document also advises on the use of specific key grids and frame webs for optimal design.
Key Data from Tables: The document contains tables listing order numbers for various components, including light conductors, lenses, and tactile switches with different illumination options. It also provides technical data for LEDs and tactile switches, such as operating force, switching travel, and contact resistance.
Overview: The document provides detailed specifications and technical data for various tactile switches and signal indicators, focusing on the RF 15 and RF 19 series. These components are used in PCB key switches and are available in different configurations, including non-illuminated, spot-illuminated, and fully illuminated versions.
RF 15 R Low and High Tactile Switches:
  • Available in low and high tactile versions with spot illumination.
  • Contact materials include gold (Au) and silver (Ag).
  • LED options include red, yellow, and green, with sizes of 2 mm and 3 mm.
  • Technical data for LEDs is provided separately.
RF 15 H Tactile Switches:
  • Overall height of 12.5 mm, suitable for membrane keyboards with a recommended key grid of 20 mm.
  • Available in non-illuminated and fully illuminated versions with various LED colors.
  • Mechanical characteristics include an operating force of 2.9±0.6 N and a switching travel of 0.5+0.2 mm.
  • Electrical characteristics specify a rated voltage range of 0.02 V to 35 V and a rated current range of 0.01 mA to 250 mA.
  • Compliant with ROHS and REACH standards.
RF 19 Tactile Switches:
  • Designed for low-profile keyboards with a recommended key grid of 23 mm.
  • Available in non-illuminated, fully illuminated, and spot-illuminated versions.
  • Mechanical and electrical characteristics are similar to the RF 15 series.
RF 19 H Tactile Switches:
  • Overall height of 12.5 mm, recommended for membrane keyboards with a key grid of 24 mm.
  • Available in non-illuminated and fully illuminated versions with various LED colors.
  • Technical data for LEDs is provided separately.
General Specifications:
  • All switches are designed for soldering in PCB with THT terminals.
  • Environmental resistance is in accordance with IEC standards.
  • Operating life is a minimum of 1,000,000 operations.
  • Solderability and solder heat resistance are specified according to DIN EN standards.
Overview: The document provides detailed specifications and technical data for various PCB key switches, signal indicators, and accessories, focusing on the RF 19 and KN 19 series. It includes information on contact materials, illumination options, mechanical design, and compliance with standards.
Specifications:
  • Contact Materials: Primarily silver (Ag) for fully illuminated switches.
  • Illumination: Options include single or multiple LEDs with colors such as red, green, blue, yellow, and white. The illumination color can be varied by changing the polarity for multicolor LEDs.
  • Mechanical Design: Includes THT soldering for mounting, with dimensions specified for length, width, and overall height.
  • Environmental Resistance: Compliant with IEC 60068 standards for temperature and environmental resistance, with operating temperatures ranging from -25°C to +70°C.
  • Soldering Specifications: Wave soldering at 260°C max and manual soldering at 350°C for 5 seconds max.
Signal Indicators:
  • Available in various module sizes (1/2 x 1, 1/2 x 2, 1 x 1, 1 x 2) with different LED configurations and colors.
  • Technical data for LEDs is provided separately at the beginning of the chapter.
Special Accessories:
  • Includes extension plungers, keycaps, and spacers with various dimensions and colors.
  • Spacers are available in round and triangular versions, with specific lengths required for different applications.
KN 19 Short-Travel Main Switch:
  • Designed for use in membrane keyboards, eliminating the need for additional switches and openings.
  • Complies with IEC 61058 and UL 508 standards, with a rated voltage of up to 250V AC and 50V DC.
  • Features snap-action bridge contact system and IP40 protection.
RK 90 Keycaps:
  • Available in plastic and aluminum, with options for laser printing and engraving.
  • Designed for use with RACON, RF 15/19, and KN 19 switches, offering IP65 protection with silicone sealing.
Recommendations:
  • Avoid using cleaning liquids based on alcohol or acid for plastic keycaps.
  • Ensure proper installation to allow liquid drainage between the front panel and silicone sealing.
Overview: The document provides detailed technical specifications and options for the RK 90 and RG 85 III series of keycaps and switches, focusing on their design, materials, and compliance with industry standards.
RK 90 Keycaps:
  • Materials: Available in plastic and aluminum, with various lens colors and finishes.
  • Dimensions: Keycaps are designed for a 19.05 mm grid, with specific dimensions provided for different module sizes (1, 1.25, 1.5, and 2-module).
  • Compliance: ROHS and REACH compliant, with IP65 protection when used with a silicon seal.
  • Customization: Keycaps can be customized with legends through laser-printing, engraving, or standard printing.
  • Cleaning: Avoid using alcohol or acid-based cleaning liquids on plastic keycaps.
RK 90 Lenses:
  • Available in opaque and transparent colors, including red, yellow, green, blue, light grey, and colorless.
RG 85 III Pushbuttons/Keys:
  • Design: Vandal-proof, suitable for elevator controls, info terminals, and vending machines.
  • Features: Edge and symbol illumination with multiple LED colors, modular fixing system, and IP65 protection for single mounting.
  • Electrical Characteristics: Rated voltage up to 35 V, current up to 250 mA, and power up to 12.5 W.
  • Mechanical Characteristics: Operating force of 3.5 N, with a minimum operating life of 1,000,000 operations.
RG 85 III Keylock Switches:
  • Design: Available in round or square designs, with edge illumination and durable lens materials.
  • Features: Cylinder lock with pin tumblers, two switching positions, and IP40/65 protection.
Accessories:
  • Includes fins to avoid inadvertent operation, spacers, silicone foil, and various lens options for customization.
Contact and Mechanical Characteristics
The document specifies a keylock switch with a contact arrangement of 1 NO and contact materials made of Au alloy. The lock type is 5201, with key removal positions at Pos. 0 and 1. The mechanical characteristics include a rotating angle of 1 x 90° and a switching travel of 1 mm for NO contacts.

Electrical Characteristics
The rated voltage ranges from 3 V to 35 V, with a rated current between 0.1 mA and 100 mA, and a maximum rated power of 1 W. The contact resistance when new is a maximum of 100 mΩ, increasing to a maximum of 3 Ω over its life. The bouncing time is capped at 10 ms. The operating voltage for the LED is 24±20% V, with an input current per LED color/row ranging from 9 to 16 mA.

Environmental and Compliance Specifications
The operating ambient temperature ranges from -25 °C to +70 °C, while storage temperatures range from -40 °C to +80 °C. The product complies with environmental resistance standards IEC 60068-2-14, -30, -33, and -78. It has a minimum operating life of 50,000 operations. The degree of protection is IP40 for rail mounting and IP65 for single mounting, according to DIN EN 60529. The materials used are compliant with UL 94 HB flammability standards, ROHS, and REACH.

Accessories and Additional Components
The document lists various accessories, including lenses for keylock switches in round and square designs, available in materials like stainless steel and aluminum. Order numbers are provided for different configurations and colors. Additional accessories include cables with socket connectors, fixing rails, spacers, and fixing pieces for mounting elements.

RS 76 Full-Travel Key Switches
The RS 76 series is designed for keyboard configuration, offering comfortable operation with a key travel of 4 mm and an overall height of 15.5/15.9 mm. The mechanical contact system uses a gold alloy for high reliability and low resistance, while the solid-state contact system employs Hall-IC technology for bounce-free and wear-free switching.
Overview: The document provides detailed technical specifications and descriptions for the RS 76 series of full-travel key switches, which are modular systems designed for creating individual key blocks and keyboards. These switches are recommended for use in hostile environments and heavy-duty applications, and all products are RoHS compliant.
Key Switch Types:
  • RS 76 M: Mechanical contact switches available in non-illuminated and illuminated versions, with options for momentary and latching actions.
  • RS 76 C: Contactless switches using Hall-IC technology, available in non-illuminated and illuminated versions.
Design and Materials:
  • Keycaps are available in various materials and configurations, including options for legend inserts and illumination.
  • Keycap materials include ABS for the body and PC for lenses.
Technical Specifications:
  • Mechanical Characteristics: Operating force, travel distances, and robustness are specified for each switch type.
  • Electrical Characteristics: Rated voltage, current, power, and contact resistance are detailed, along with ESD strength and bouncing time.
  • Environmental Specifications: Operating and storage temperature ranges, environmental resistance, and compliance with standards like IEC 60068 and UL 94 HB are provided.
Applications and Accessories:
  • Switches are suitable for use in keyboards and can drive logic components and transistors.
  • Various accessories are available, including keycaps with different features and covers for protection.
Assembly and Soldering:
  • Manual soldering guidelines specify a maximum temperature of 300°C and a soldering time of less than 5 seconds.
  • Hole patterns for PCB mounting are provided for different keycap sizes.
Legending Methods:
  • Keycaps can be legended using two-shot molding, printing, engraving, laser-printing, or legend inserts, each suitable for different volumes and durability requirements.
Overview: This document provides technical specifications and details for Priority Keylock Switches IP54 and Rotary Switches IP40, including their mechanical and electrical characteristics, dimensions, and available variants.
Priority Keylock Switches IP54:
  • General Information: Available in various colors and forms with a square collar. Dimensions include a collar length and width of 19 mm and an overall height of 19.5 mm.
  • Mechanical Design: Features soldering mounting, tin-plated terminals, and a cross contact self-cleaning system. Contact materials are made of Au alloy, and the lock type is Micromec with 5 wafers.
  • Mechanical Characteristics: Switching torque ranges from 0.04 to 0.10 Nm, with a robustness of up to 2 Nm. Dielectric strength is a minimum of 500 V AC, and rated power is a maximum of 1 W.
  • Electrical Characteristics: Rated voltage ranges from 2 to 35 V, with a maximum rated current of 100 mA. Contact resistance when new is a maximum of 100 mΩ, increasing to 200 mΩ over its lifespan. Insulation resistance is 109 Ω, and ESD strength is up to 8 kV.
  • Other Specifications: Operating life is 10,000 cycles, with an IP54 degree of protection from the front side. Operating temperature ranges from -25°C to +70°C, and storage temperature ranges from -40°C to +80°C. The switches are compliant with ROHS and REACH standards.
Rotary Switches IP40:
  • General Information: Similar to keylock switches, these are available in various colors with a square collar. Dimensions include a collar length and width of 19 mm and an overall height of 24 mm.
  • Mechanical Design: Features soldering mounting, tin-plated terminals, and a cross contact self-cleaning system. Contact materials are Au alloy, with no illuminability.
  • Mechanical Characteristics: Torque against stop is a minimum of 0.45 Nm. Rated power is a maximum of 1 W.
  • Electrical Characteristics: Rated voltage is a maximum of 35 V, with a maximum rated current of 100 mA. Contact resistance when new is a maximum of 100 mΩ, increasing to 200 mΩ over its lifespan. Insulation resistance is 109 Ω, and ESD strength is up to 8 kV.
  • Other Specifications: Operating life is 50,000 cycles, with an IP40 degree of protection from the front side. Operating temperature ranges from -25°C to +70°C, and storage temperature ranges from -40°C to +80°C. The switches are compliant with ROHS and REACH standards.
Accessories: Various accessories are available, including O-rings and sets of keys for different keylock switch types.
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Catalog excerpts

PCB Keyswitches-1

PCB KEY SWITCHES MICON 5 Tactile switches MICON 5 - Tactile switches MICON 5 - Plungers round, not illuminable - NEW - MICON 5 - Plungers round, ring illumination MICON 5 - Plungers square, illuminable - NEW - MICON 5 - Plungers square, spot-illumination MICON 5 - Plungers for signal indicator RACON Tactile switches RACON 8 - Tactile switches RACON 12 - Tactile switches RACON 12 V - Tactile switches with vertical adapter RACON 12 i - Tactile switches RACON 8/12 - Special accessories RK 90 II, Key cap system for RACON 12 RF Tactile switches RF 15 - Tactile switches RF 15 N - Tactile switches RF 15 R low - Tactile switches RF 15 H - Tactile switches RF 15 - Signal indicators RF 19 - Tactile switches RF 19 H - Tactile switches RF 19 - Signal indicators RF 15/19 - Special accessories KN 19 Short-travel main switch KN 19 - Short-travel main switches RK 90 Keycaps RK 90 - Keycaps, plastic, 9 x 9 mm RK 90 - Keycaps, plastic 14 mm RK 90 - Keycaps, aluminium, 14 mm RK 90 - Special accessories RG 85 III Short-travel system RG 85 III - Pushbuttons/keys RG 85 III - Keylock switches RG 85 III - Signal indicator, without lens RG 85 III - Special accessories RS 76 Full-travel key switches RS 76 M - Full-travel key switches, non-illuminated RS 76 M - Full-travel key switches, illuminated RS 76 C - Full-travel key switches, non-illuminated RS 76 C - Full-travel key switches, illuminated RS 76 - Keycaps, non-illuminated RS 76 - Keycaps, illuminated RS 76 - Keycaps, with legend, two-shot molded/keycap sets RS 76 - Special accessories Keylock / rotary switches for PCB MICROMEC - Keylock switches IP 54 EUROLOCKS - Keylock switches IP 54 Priority keylock switches IP 54 Rotary switches IP40

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PCB Keyswitches-3

PCB KEY SWITCHES MICON 5 - TACTILE SWITCHES MICON 5 Tactile switches Tactile switch range MICON 5, with clear key click and extremely reliable switching. Use under overlay or under keycaps RK 90. THT and SMT versions which can be mounted automatically. All products are RoHS compliant.

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PCB Keyswitches-4

MICON 5 - TACTILE SWITCHES MICON 5 -Tactile switches 4 - 5 MICON 5 -Tactile switch, SMT Standard 4 - 8 MICON 5 -Tactile switch, SMT low 4-8 MICON 5 -Tactile switch,THT Standard 4 - 9 MICON 5 - Plungers round, not illuminable MICON 5 - Plunger opaque, round, not illuminable MICON 5 - Plungers round, ring illumination MICON 5 - Plunger round, ring illumination MICON 5 - Plungers square, illuminable 4 - " MICON 5 - Plunger square, illuminable, 11 x 11 mm 4 - 19 MICON 5 - Plunger square, illuminable, 14.5 x 14.5 mm 4 - 19 MICON 5 - Plunger square, illuminable, 18 x 18 mm 4 - 20 MICON 5 - Plungers...

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PCB Keyswitches-5

PCB KEY SWITCHES MICON 5 - TACTILE SWITCHES MICON 5 Tactile switches MICON 5 tactile switches offer an extremely high switching reliability while needing very little space. They can be arranged as single keys, in rows or key blocks. When arranged under an overlay, MICON key switches should be combined with plungers. The features at a glance: Suitable for the most common soldering methods - Wave soldering bath for THT versions - Reflow soldering for SMT version - Vapour phase soldering for SMT versions - Manual soldering SMT version suitable for processing with an automatic SMT assembly machines...

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PCB Keyswitches-6

PCB KEY SWITCHES MICON 5 - TACTILE SWITCHES MICON 5 Circuit diagram acc. to IEC 617 4 1 MICON 5 Force-travel diagram The two outer contacts must be connected. Operating force F1 and switching travel S2 see order block. MICON 5 Product code acc. to DIN EN ISO 9001 (EN ISO 8402) Schicht / work shift MICON 5 Typ / type Produktionsanlage / machine Kalenderwoche / calendar week Jahr / year D=2013, E= 2014... 0.55 Äußere Kontakte müssen gebrückt werden/ Outward contacts must be connected A 7-digit code is printed on the housing of the key switch. This code informs about production date, type and production...

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PCB Keyswitches-7

PCB KEY SWITCHES MICON 5 - TACTILE SWITCHES PCB pattern, smallest grid (without plungers) 7.80

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PCB Keyswitches-8

PCB KEY SWITCHES MICON 5 - TACTILE SWITCHES MICON 5 Tactile switch, SMT Standard Technical data see page 4 - 5 SMT Standard 0.55 Äußere Kontakte müssen gebrückt werden/ Outward contacts must be connected Produkt type Solder heat resistance / Solderability Operating life (test force) Packing: in tape, reel with 2100 pieces Keycaps see RK 90 Mounting hints: Special pipette (Siemens Siplace order no.: 348514-02), mounting with collect and place head Recommendation for screen printing: 150 μm stencil with 10% reduction of the pad size. MICON 5 Tactile switch, SMT low Technical data see page 4 - 5...

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PCB Keyswitches-9

MICON 5 - TACTILE SWITCHES -Table (continued) - MICON 5 - Tactile switch, SMT low ^ Produkt type Terminals Solder heat resistance / Operating force Switching travel Operating life Order no. Solderability F1 (±20%) S2 (±0.15 mm) (test force) Packing: in tape, reel with 2100 pieces Mounting hints: Special pipette (Siemens Siplace order no.: 348514-02), mounting with collect and place head Recommendation for screen printing: 150 urn stencil with 10% reduction of the pad size. ^ Produkt type Terminals Solder heat resistance / Operating force Switching travel Operating life Order no. Solderability...

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PCB Keyswitches-10

PCB KEY SWITCHES MICON 5 - PLUNGER ROUND, NOT ILLUMINABLE MICON 5 Plungers round, not illuminable Typischer Systemaufbau Runder Stössel typical system structure round tappet Empfehlung Distanzbuchse / distance sleeve Hochprägung: 0.35 mm Kleberdicke: 0.15 mm FD recommendation ST embossment: 0.35 mm adhesive thickness: 0.15 mm min. 3.00 Description A - Height of key switch: SMT type: 3.85 mm, THT type: 3.80 mm D - Length of spacer D = GH - KP - FP FD - Front panel cut-out FD = ST + 1 mm FP - Front panel thickness GH - Overall height: GH = A + L1 + 0.05 (SMT type), GH = A + L 1 (THT type) L - Overall...

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PCB Keyswitches-11

PCB KEY SWITCHES MICON 5 - PLUNGER ROUND, NOT ILLUMINABLE Typical system design under overlay, round plungers, opaque, non-illuminable Empfehlung Distanzbuchse / distance sleeve Hochprägung: 0.35 mm Kleberdicke: 0.15 mm FD recommendation ST embossment: 0.35 mm adhesive thickness: 0.15 mm min. 3.00 RAFI standard system design, 9.70 mm height, round plunger, opaque, non-illuminable Empfehlung Hochprägung: 0.35 mm Kleberdicke: 0.15 mm recommendation embossment: 0.35 mm adhesive thickness: 0.15 mm Lowest system design, 5.55 mm height, round plunger, opaque, non-illuminable 15.50 3.00

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