Timing belt kit is designed specifically for linear movement and precision, offering high positioning accuracy Timing pulley with 20 teeth minimizes the risk of the belt slipping The timing belt is made of premium rubber, providing enhanced durability and flexibility Includes 5m GT2 timing belt, 8 pcs timing pulleys, and a hex wrench Ideal for use in Reprap, Prusa, MendelMax, and other 3D printers Designed to maintain at least six teeth in contact with the pulley at any given time, reducing the possibility of slippage GT2 pulley and belt feature a profile with rounded teeth that ensure smooth and accurate engagement with the pulley groove Anti-backlash timing belt pulley with 20 teeth is a suitable choice for 3D printer construction COLOR: black & silver GT2 Timing Belt: Material: Rubber Length: 5m Width: 6mm Pitch: 2mm GT2 Timing Pulley: Material: Aluminum Diameter: 16mm Bore: 5mm Teeth: 20 Package Included: 1 x 5m GT2 timing belt 8 x 20T timing pulley 1 x Hexagon wrench Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3cm.