[Size] -Bore Diameter 10mm/0.39"; Total Height 25mm/0.98"; Tooth Outer Diameter 38.65mm/1.51"; Tooth Width 21mm/0.82"; Teeth 13T; Tooth Pitch 9.525mm/0.37".
[High Quality] -Timing belt gear is made of aluminum alloy, sturdy and durable,surface oxidation treatment, anti-rust and anti-corrosion effectively
[Features] -Contact with the 13 tooth side which minimizes the risk of the belt slipping; Applies to 21mm width belt
[Advantage] - Timing Pulley providing a smoother transition between belt, good performance for 3D printers
[Application] -Widely used in 3D printer, milling machine, gear shaper, drilling machine, CNC engine lathe, hobbing machine or other machinery