BZ 3D Ender 3 pro Y axis Belt Tensioner 4040 Stretch Straighten for Ender3 Pro/Ender V2 Printer.(Y4040)

Very useful upgrade parts for series printer,more better than original.This Ender 3 Pro/Ender 3 V2 4040 Y-axis Belt tensioner is pre-assembled,you don't need to assemble it by yourself,just install and adjust the timing belt to use.ONLY works with 6mm belt. Features:High quality aluminum alloy material,Surface anodizing treatment.Fine workmanship, wear-resistance and corrosion-resistance. 4040 aluminum Y-axis Belt Tensioner is ONLY compatible with 3D Printer Ender 3 Pro,Ender 3 V2. The metal Belt Tensioner adjuster could be adjusted freely, which will be helpful to improve the print quality.Please select the appropriate tensioner according to your machine structure. After-sales guarantee: each defective item can be replacement for free or refund. If any question, please feel free to contact or QA us, BZ 3D is committed to providing you with the best service!