HTD 3M Timing Pulley 12 Tooth HTD 3M Synchronous Wheel Belt Width 6mm 10mm 15mm Bore 4mm 5mm 6mm 6.35mm 7mm 8mm 12 Teeth【Product Name】:HTD 3M Timing Pully【Product Material】:Aluminum alloy【Product Type】:Timing Pulley【Number of Teeth】:12 Teeth【Tooth Pitch】:3mm【Belt Width】:6mm/10mm/15mm【Bore】:4mm/5mm/6mm/6.35mm/7mm/8mm