3D-BLT-2020-T 2020 Aluminum Profile X/Y-axis Synchronous Belt Tensioner for 3D Printers
Existing printer or a custom built one, this tensioner helps you keep constant pressure on your desired axis with a nice adjustability knob. It mounts on 2020 aluminum extrusion and comes as a kit so you don't have to worry about the installation, unlike the 3D printed ones.
Belts are not included!
Excellent for Creality CR-10, CR-10S, Ender-3.