Features:100% brand new and high qualityMade of high-quality materials, durableGT2 timing belt closed loop 200mm pulley with 20 teeth and 60 teeth inner hole 5mm for 3D printer2GT timing belt wheel; suitable for Reprap, Prusa, MendelMax, 3D printersThe arc tooth profile has a small pitch, which is suitable for linear transmission;GT2 pulley with 20 teeth or grooves is one of the best choices for 3D printer structureCompared with T2.5 or MXL timing belt wheels, GT2 belt wheel tooth profile has anti-backlash function.Product parameters:Synchronous belt model: 2GT60T20T-200200-2GT-6 timing belt2GT pitch: 2mmBelt height: 1.52mmTooth height: 0.76mmMaterial: RubberSpacing: 200mmWidth: 6mmShape: closed loop 2GT timing belt2GT pulley big:Number of teeth: 60Tooth pitch: 2mmAperture: 5mmFlange: DoubleTooth width: 7mmMaterial: AluminumApplicable timing width: 6mm2GT small pulley:Number of teeth: 20Tooth pitch: 2mmAperture: 5mmFlange: DoubleTooth width: 7mmMaterial: AluminumApplicable timing width: 5mmPackage list:1 *20 teeth1 *60 teeth1 *200mm timing belt1 * WrenchNote: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2.Please allow slight manual measurement deviation for the data.