Having trouble with a loose belt on your build? These awesome little spring belt tensioners are the solution! They're very strong to ensure that belt slack is reduced. They fit up to a 6-7mm belt width.
The C-Beam Actuator Kit is an actuator driven by an ACME lead screw. It includes everything you need for the build, and is available in 250mm, 500mm, 1000mm, and 1500mm sizes.