1、Purpose: This accessory can easily solve for Voron V0 GT2 printer belt drive kit failure problem. 2、Replacement: Excellent quality, well made and a great replacement for older models. 3、Material: Made of high quality metal material, durable, steady running, and improve the stability of 3D printing. 4、Easy Assembly: No need to modify or solder the machine, no need to replace the motherboard, quick assembly. 5、Stable Performance: This 3D printer parts set still retains the design of the stepper motor to ensure the steady running of the lead screw. 1 x Screw1 Set POM Anti Backlash Nut With Spring (3 Pieces)20 x F623 Bearing1 x Closed Belt1 x Open Belt1 x GT2 Pulley 20T (8mm Inner Diameter)2 x GT2 Pulley 16T3 x GT2 Pulley 20T (5mm Inner Diameter)1 x Bearing Block1 x F688 Item Type: 3D Printer Belt Drive KitMaterial: MetalApplicable Models: for Voron V0 GT2 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.