It is used to tighten the timing belt of 3D printer. Suitable for 3D printer timing belt system. Fits to the belt with 6mm width or less than 6mm width.
Tensioner springs are effective way to get rid of the problems with adjusting correct tension in your DIY 3D printer / CNC timing belt system.
Just put onthe belt like seen on the image above and your problems will be solved. We also supply GT2 timing belt.
