[Wide Compatibility] With a wide compatibility, the back support plate is compatible for Ender‑3, for Ender 3s, for Ender 3 Pro Cr‑10/Cr‑10S/S4/S5.
[Introduction] This is a V solt aluminum extrusion frame 3D printer extruder back support plate, well designed, easy and convenient to install.
[Pulley Size] The pulley diameter is 24mm / 0.9inches, and the pulley height is 11mm / 0.4inches, you should choose the right proper size.
[Application] The accessory is suitable for 2020 V series aluminum profiles, adjust the sliding smoothness by adjusting the hex eccentric column.
[Sturdy Durable] Made of high quality of metal, this back support plate is sturdy and durable, which is the perfect upgrade part of 3D printer.