Brand new and high quality
Material：65#Mn
Adaptive：<=6.2mm width timing belt.
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.
Package Included:
1 * GT2 timing belt lock spring.
