30 teeth Pulley for GT2 6mm belt with 5mm bore ( typically used with NEMA17 stepper motors ) Mechanical 30 teeth Pulley for GT2 6mm belt with 5mm bore ( typically used with NEMA17 stepper motors ) Mechanical 36 teeth Pully for GT2 6mm belt with 6.35mm bore ( normally used with NEMA17 stepper motors ) Mechanical HTD5M-15 Aluminum Timing Belt Pulley 15 Teeth 8mm Bore 16mm Width. 3DPrinting 2 X 17mm Yellow Pulley Wheel Kits GT2-10-30T Pulley (6.35mm Bore/10mm Belt/30 Tooth) Mechanical 30 teeth Pulley for GT2 6mm belt with 6.35mm bore ( typically used with NEMA23 stepper motors ) Mechanical 20 teeth pulley for GT2-10mm Belt with 8mm Bore ( typically used on 8mm shaft ) Mechanical 20 Teeth pully for GT2 6mm belt with 6.35mm bore (typically for Nema 23 stepper motors) Mechanical 16 teeth pulley for GT2-10mm Belt with 5mm Bore (typically used on Nema 17 Stepper motors) Mechanical 16 Teeth pully for a GT2-6mm belt with a 3mm bore ( Typically used with N20 geared motors ) Pulleys GT2 10mm Belt Idler Pulley 20Teeth available in Black anodizing. 5mm bore (Bearing insert) Mechanical GT2 10mm Belt Idler Pulley 20T (Smooth) available in Natural or Black anodizing. 5mm bore (Bearing) Mechanical 36 teeth Pully for GT2 10mm Belt with 5mm bore ( normally used with NEMA17 stepper motors ) Mechanical GT2 Pulley (36 Teeth / 10mm Belt / 6.35mm Bore) Mechanical GT2-10-36T Pulley (5mm Bore/10mm Belt/60 Tooth) Mechanical 20 Teeth Pully for GT2 10mm Belt with 5mm Bore (typically used on NEMA17 stepper motors) Mechanical 20 tooth pully for GT2-10mm Belt with 6.35mm Bore (typically used on Nema 23 Stepper motors) Mechanical GT2-6-30T Idler-Pulley (5mm Bore/6mm Belt/Smooth) 3DPrinting GT2 6mm Belt Idler Pulley 16Teeth GT2 3mm Bore with bearing insert Mechanical 30 teeth pulley for GT2 6mm Belt with 8mm Bore ( typically used for 8mm shaft ) Mechanical 20 teeth Pulley for GT2 6mm with 8mm bore  Mechanical GT2-20T Double head bore Synchronous wheel ID: 8mm 3DPrinting GT2 6mm Belt Idler Pulley 20Teeth available in Black anodizing. 5mm bore (Bearing insert) Mechanical 20T 5mm Bore 10mm Width GT2 Alloy Double Round-Headed Timing Pulley 3DPrinting GT2 6mm belt Idler Pully GT2 20T 3mm Bore Black  Mechanical GT2 6mm Belt Idler Pulley 20T (Smooth) available in Natural or Black anodizing. 5mm bore (Bearing) Mechanical 40 teeth Pully for GT2 6mm belt with 5mm bore ( normally used with NEMA17 stepper motors ) Mechanical 30 teeth Pulley for GT2 6mm belt with 5mm bore ( typically used with NEMA17 stepper motors ) Mechanical Standard aluminium GT2 Timing Pulley for CNC machines and 3D printers.  Mechanical Standard aluminium GT2 Timing Pulley for CNC machines and 3D printers.  Mechanical 16 Tooth pully for GT2 6mm belt with 5mm bore (typically for Nema 17 stepper motors) Mechanical 20 Tooth Pully for GT2 6mm Belt with 5mm bore (Typically used on Nema17 stepper motors) Mechanical 20 Tooth Pully for GT2 6mm Belt with 5mm bore (Typically used on Nema17 stepper motors) Mechanical