XL-15T Timing Pulley 15Teeth XL Transmission Belt Pulleys 16mm Belt Width 6/8/10/12/12.7mm Bore Pitch Aluminum Alloy Gear PulleyName:XL-15T timing pulleyModel:XL TypeTeeth Number:15TTeeth Pitch:5.08mmInner bore:6/6.35/8/10/12/12.7mmBelt Width:16mmTotal Height:28mmType:BF typeScrew:2*M5Material:Aluminum alloyPackage:1pc timing pulley