Features Function: The open timing belt is suitable for torsion transmission and light load conveying, which is a common accessory for 3D printers. Professional Made: 25.4mm timing belt has a working tension of 285N (64lbf for a 1in timing belt) and a breaking strength of 158N/1mm (113lbf/1/8in). Premium Material: The belt is made of rubber material, and the tension member is made of glass fiber, which has good elasticity and wear resistance. Scope of Application: This synchronous wheel timing belt is suitable for Openbuilds model, which has good compatibility and strong practicability. High Transmission Efficiency: The tooth pitch of the synchronous belt can be correctly engaged with the tooth groove, and the transmission efficiency is high. Specification: Item Type: Timing Belt Length: Approx. 1 meter / 3.3ft Width: Approx. 6mm / 0.24in Tension Member: Fiberglass Colour: Black Specifications: GT3-6mm Application: For Openbuilds Working Tension: 285N for 25.4mm belt (64lbf for 1in belt) Breaking Strength: 158N/1mm (113 lbf./1/8 in.) Temperature Range: -34℃-85℃ (-30℉-185℉) Package List: 1 x Timing Belt Package List 1 x Timing Belt