GT2 Closed-Loop Timing Belt Rubber Synchronous Belts W=6mm L=110/112/158/200/280/400/610/852/1220mm 3D Printer Parts Kits Pack of 2pcs Features: GT2 synchronous belts are suitable for precision mechanical transmission. GT2 closed-loop timing belt has 10 sizes for option --110mm/ 112mm/ 158mm/ 160mm/ 200mm/ 280mm/ 400mm/ 610mm/ 852mm/ 1220mm. Adopting premium rubber material, environmental and durable. Package comes with 2pcs rubber synchronous belts the same size. High-quality components guarantee the efficient operation of the 3D printer. Specifications: Model No.: GT2-110/112/158/160/200/280/400/610/852/1220 (optional) Quantity: 2pcs / pack Material: silicone Belt Width: 6mm Belt Length: 110mm/ 112mm/ 158mm/ 160mm/ 200mm/ 280mm/ 400mm/ 610mm/ 852mm/ 1220mm (optional) Package Size: 10 * 8 * 1cm / 3.94 * 3.15 * 0.39in Package Weight -- GT2-110: 4g / 0.141oz GT2-112: 4g / 0.141oz GT2-158: 5g / 0.176oz GT2-160: 5g / 0.176oz GT2-200: 6g / 0.21oz GT2-280: 8g / 0.28oz GT2-400: 10g / 0.35oz GT2-610: 12g / 0.42oz GT2-852: 16g / 0.56oz GT2-1220: 24g / 0.847oz Pacakge List: 2 *  synchronous belts