Specifications:
The document describes a deep type single ring spanner available in five sizes: 17mm, 19mm, 21mm, 22mm, and 24mm. The spanner is designed to reach and fasten bolts and nuts located in deep places that existing ring spanners cannot reach. It features a large contact surface to apply torque easily without damaging the surface of long nuts.

Materials and Coating:
The spanner is nickel chrome plated and made in Japan, ensuring durability and resistance to corrosion.

Design and Functionality:
The spanner's depth is 1.8 times the average, allowing it to reach bolts and nuts in deep places. It is designed to hardly damage bolts and nuts, making it suitable for delicate applications.

Manufacturer Information:
The product is manufactured by Asahi Metal Industry Co., Ltd., located in Osaka, Japan. For export inquiries, contact the Export Department via email at [email protected].

Weight and Dimensions:
The document lists various weights and dimensions, indicating the robust construction of the spanner suitable for heavy-duty applications.