Check the listing for details. 12PCS Change gear set for BS-2 Dividing head. Condition: New. Listed at 188.00 USD. Change gears for BS-2 dividing head Total 12PCS gears per set Number of teeth on each gear: 24T(2PCS), 28, 32, 40, 44, 48, 56, 64, 72, 86, 100T All made by cast iron. Inner hole diameter: 1 inch(25.4MM) Gear thickness:18MM The gears' Dp=12. M=25.4/Dp=25.4/12=2.117 Module: M=2.117 Net Weight: 7.9KGS/17.5 bls Gross Weight: 8.6KGS/19.0 bls The change gear set on photo was prepared for customer from Trinidad & Tobago. Have sales in USA, etc. If you need any parts on BS-2 dividing head, just tell me. I can supply too. The folloiwng is BS-2 dividing head's details. BS-2 Precision Dividing Head Headstock adjustable from 10 downward to 90 degree upward from the horizontal position. Including headstock, 8" 3-jaw lathe chuck, tailstock, center&driving dog, threaded back plate & 3 dividing plates. 1:40 ratio. Direct index plate of 24 holes allow direct dividing in 2,3,4,6,8,12 & 24. Accessory plates provide indirect dividing in any number from 2 to 50 and from 52 to 380 except prime numbers and certain other numbers. Swing: 10-1/2" Center Height: 5-1/4" Hole thru spindle: 0.985" Headstock Taper: #10 B&S