Feature:OOTDtiming Belt 2GT; Fit for Reprap, Prusa, MendelMax, 3D printer; Round arc tooth profile tooth space is small, suitable for driving straight line; GT2 pulley with 20 teeth or grooves is one of the best choices for building a 3d printer; Compared with T2.5 or MXL timing pulley, the tooth profile of GT2 pulley is anti-backlash. 2GT60T20T-200 Timing Belt specification:Type: 2GT60T20T-200200-2GT-6 Timing Belt:2GT Stroke: 2mmBelt Height: 1.52mmTooth Height: 0.76mmMaterial: RubberStroke Length: 200mmWidth: 6mmShape: 2GT Closed Loop Timing Belt2GT pulley large:Tooth Number: 60Tooth Stroke: 2mmBore Diameter: 8mmFlange: DoubleTooth Width: 7mmMaterial: AluminumFit Timing Width: 6mm2GT Pulley Small:Tooth Number: 20Tooth Stroke: 2mmBore Diameter: 5mmFlange: DoubleTooth Width: 7mm Material: Aluminum Fit for Timing Width: 5mm Package List: 1Pc 20 Teeth1Pc 60 Teeth1Pc 200mm Closed Timing Belt2pcs Tools