China Gt2 Timing Pulley 3D Printer Pulley 30 36 40 60 Tooth Pulley Wheel Bore 5mm 8mm Aluminum Gear Teeth Width 6mm Part, Find details about China Gt2 Timing Pulley, Tooth Wheel from Gt2 Timing Pulley 3D Printer Pulley 30 36 40 60 Tooth Pulley Wheel Bore 5mm 8mm Aluminum Gear Teeth Width 6mm Part