DescriptionThis timing belt is especially suited for linear movement and positioning applications such as 3D printer and CNC. Accurate transmission ratio, no slip, constant ratio can be obtained, is stable and can absorb vibration, low noise, large range of transmission ratio.Features- Color: Black. - Material: Rubber. - Made of rubber, not easy to break and no odor. - Designed specifically for linear motion and positioning applications. - Fit for linear motion and precision design timing belt system. - Closed loop rubber timing belt, it is practical in use. - High positioning accuracy and repeatability. A great gift for your friend and family.