2GT Synchronous Belt Closed-Loop Features: circular arc tooth profile, tooth space is small, suitable for straight line driving. This Closed-loop 2GT Timing Belt with function that shock absorption, low noise, high quality workmanship and long service life, used in linear drive with Linear Motion small backlash Positioning Accuracy 3D printers. Accurate transmission: without slipping at work, having a constant gear ratio. Specifications: Model Number : 2GT2 Closed-loop belt Material : Rubber Width : 6mm Picth: 2mm Length:188mm Color : Black Very high cost performance, with strong, durable, not easy to lose step and so on. Temperature Range:-34°C to +85°C(-30°F to + 185°F) Applicable models: Specially designed DIY part for Voron 2.4 motion & M4 extruder assembly Package Includes: 4PCS in an envelope bag, and each piece is separately well-packed in a customized package. Note: 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. 3.The timing belt should be stored in a dry place away from direct sunlight.