Zeberoxyz Upgrade 4020 Profile Y-axis Synchronous Belt Stretch Straighten Tensioner for Ender 3 Auminum Extrusion Profile 40x20mm 3D Printer Parts (4020)

Product Name:4020 aluminum extrusion profile Y-axis synchronous belt tensioner Size:Fit 4020 series Aluminum extrusion Material:Made of high quality Aluminum Alloy Surface treatment:anodizing Color:Black Package Content: 1 Kit 4020 Aluminum Extrusion Profile Y-axis Synchronous Belt Stretch Straighten Tensioner 4 PCS M4 T-Nuts 4 PCS M4x8mm Screws2PCS Allen Key Any question or problem, do not hesitate to contact us,We will reply you within 24 hours.

Features & details Features ★Material: 3D Printer belt tensioner Made of high quality Aluminum Alloy, Surface oxidation treatment, durable, fine workmanship ★Easy to Install: 4020 aluminum extrusion belt tensioner already assembled, you don't need to assemble it by yourself, No need to change the original belt length, direct installation and ready to use ★Function:you can adjust the belt freedom, more better than original, it will not reduce the Y-axis stroke of the original 3D printer