Constant Pinion 44 Teeth 3.0mm Pulley Bore 5/6/6.35/8/10/12mm Width 10mm Timing Belt HTD3M Gear 1Pcs Number of Teeth : 44 Model Number : 3M44T Material : Alloy Type : Timing Teeth Pitch : 3.0 mm Teeth Shape : Circular Tooth Belt Width : 6/10/15 mm