XL10 Bore Diameter: 6.35mm/0.25" Total height: 23mm/0.9" Tooth Outer Diameter: 15.66mm/0.62" Tooth Width: 11mm/0.43" Tooth Pitch: 5.08mm/0.20" Synchronous Wheel made of high quality Aluminum Alloy, excellently machined, finished smoothly and longer service life. Providing a smoother transition between belt and minimizes the risk of the belt slipping. It is very useful in high-reduction drives in the occasion that need to improve the wrap-around capabilities of belts. Read more XL60 Bore Diameter: 15mm/0.59" Total height: 25mm/0.98" Tooth Outer Diameter:96.5mm/3.80" Tooth Width: 11mm/0.43" Tooth Pitch: 5.08mm/0.2" Timing belt gear is made of aluminum alloy, sturdy and durable,surface oxidation treatment, anti-rust and anti-corrosion effectively. Contact with the 60 tooth side which minimizes the risk of the belt slipping; Applies to 11mm width belt. Read more Application Timing belt pulley widely used in 3D printer, milling machine, gear shaper, drilling machine, CNC engine lathe, hobbing machine or other machinery. Timing belt pulley used widely in milling machine, CNC engine lathe, gear shaper, hobbing machine, drilling machine or other machinery transmission occassions. Timing belt pulley widely used in milling machine, gear shaper, drilling machine, hobbing machine or other machinery transmission occasions Read more XL37 XL60 XL46 XL24 XL11 XL10 Bore Diameter 8mm/0.31" 15mm/0.59" 10mm/0.39" 6mm/0.24" 5mm/0.20" 6.35mm/0.25" Total Height 25mm/0.98" 25mm/0.98" 25mm/0.98" 25mm/0.98" 25mm/0.98" 23mm/0.9" Tooth Outer Diameter 59.32mm/2.31" 96.5mm/3.80" 73.87mm/2.88" 38.3mm/1.51" 17.28mm/0.68" 15.66mm/0.62" Tooth Width 11mm/0.43" 11mm/0.43" 11mm/0.43" 11mm/0.43" 11mm/0.43" 11mm/0.43" Tooth Pitch 5.08mm/0.2" 5.08mm/0.2" 5.08mm/0.2" 5.08mm/0.2" 5.08mm/0.2" 5.08mm/0.2"