ITEM NAME:Stepper Motor 10 Teeth 6mm Bore XL Type Aluminum Timing Belt Pulley Ed JC&j Used widely in milling machine, CNC engine lathe, gear shaper, hobbing machine, drilling machine or other machinery transmission occassions. Product Name : Timing Pulley; Type : XL10; Number of Tooth : 10T Pitch : 5.08mm/1/5''; Bore Diameter : 6mm Top Diameter : 12mm/0.47" Fit Belt Width : 11mm/0.43" Materials : Aluminum; Color : Silver Tone Package Content : 1 x Timing Pulley.Used widely in milling machine, CNC engine lathe, gear shaper, hobbing machine, drilling machine or other machinery transmission occassions. Fit Belt Width : 11mm/0.43". Materials : Aluminum;.