Upgraded X/Y-axis Synchronous Belt Tensioner For CR/Ender Series

Upgraded 3D Printer Synchronous, Adjustable X/Y Synchronous Belt Stretch Straighten Tensioner for Ender Series, CR Series

• Material: aluminum alloy; Surface Treatment: anodizing.
• Widely Used: for Creality CR/Ender series.
• Install: Already assembled, you don't need to assemble it by yourself.
• Function: you can adjust the belt freedom, better than the original.

About Tensioner