PRE SHAVING GEAR HOBS ,PRE-GRIND GEAR HOBS ,WORM GEAR HOBS,SEMl-Toppling GEAR HOBS ,inserted BLADE GEAR HOB ,Fine Pltch Gear HOB Detailed Product Description Module ... 78,1,1116,11,4,11,2,134and2 inch bemade. ·gear hobs of JIS,BS,DIN and ANSI standards can be ...