6mm Bore Timing Pulley 2mm Pitch 20 Teeth 6mm Wide Belt Groove for 3D printer GT26mm Bore 2mm Pitch 16 Teeth 6mm Wide Belt Groove for 3D printer Timing Pulley GT2 2GT 2mm Pitch Drive Pulley 6mm Bore 6mm Width 16 Teeth for 3D Printer GT2 6mm Bore Timing Pulley 2mm Pitch 20 Teeth 6mm Wide Belt Groove for 3D printer GT2 Description 2mm pitch (GT2) 20 Teeth 6mm Bore 6mm width timing Belt With 2 set screw to secure to the stepper motor shaft. One pulley Most Common Application 6mm shaft stepper motor and fits 6mm width timing belt 2mm