Widely used in milling machine, gear shaper, drilling machine, CNC engine lathe, hobbing machine or other machinery transmission occasionsSpecifications:Tooth pitch: 5.08mmNumber of tooth: 25 TeethBore Diameter: 12.7mmWeight: 110gMaterial: Aluminum AlloyPackage included:1pc XL25 Teeth Synchronous Wheel 2 x M5 Fixing Grub Screw