Made from CNC-machined aluminum, this robust belt tensioner fits the X axis 2020 V‑slot extrusion on popular printers like the Ender 3, CR‑10, and Anet E10. Easily adjust belt tension with a quick turn – no tools needed once installed.

Description ✅ Fits 2020 V‑Slot extrusions on X-axis✅ Compatible with GT2 belts✅ Available in Red, Black, or Blue✅ Perfect upgrade for Ender 3 / CR‑10 / Anet E10✅ Improves print quality and reduces backlash ✔️ Smoother motion = sharper prints✔️ No more zip ties or printed tensioners✔️ Simple install and tension adjustment✔️ Adds a custom color touch to your machine✔️ Made from high-strength anodized aluminum