The HOMGE’S Universal Dividing Head is designed for all types of gear cutting. Precision dividing and spiral dividing ( except Type BS-0, and BS-1 ) work with greater precision and efficiency than has been possible before. The center face can be tilted from a horizontal position of 90º down to -10º from vertical, and inclinations can be read off a scale graduated in degrees. The center is built to the highest engineering standards and is factory inspected and tested to ensure complete satisfaction.The ratio of worm to gear is 40:1. REMARK: “ Operation and Service Manual “ is included for reference OPTIONAL ACCESSORY: TAIL STOCK for UNIVERSAL DIVIDING HEAD BS-2 Model BS-2 STANDARD ACCESSORIES: DIVIDING PLATE A, B, C. NUMBER OF HOLES OF DIVIDING PLATE (WORM GEAR REDUCTION RATIO 40:1) Number of holes Plate A Plate B Plate C DIVIDING EQUIPMENT