• Y axis Belt tensioner: Upgrade parts for Ender 3 pro, not fit for ender 3, ender 3 v2, ender 3 s1.
  • Material: aluminum alloy; Surface Treatment: anodizing
  • Comes spare kits, need to install it by yourself, it is easy.
  • you can adjust the belt freedom, more better than original/ stock belt.
  • Package includes: 1 Kit 4040 Profile Y-axis Synchronous Belt Stretch Straighten Tensioner
  • Y axis Belt tensioner: Upgrade parts for Ender 3 pro, not fit for ender 3, ender 3 v2, ender 3 s1.
  • Material: aluminum alloy; Surface Treatment: anodizing
  • Comes spare kits, need to install it by yourself, it is easy.
  • you can adjust the belt freedom, more better than original/ stock belt.
  • Package includes: 1 Kit 4040 Profile Y-axis Synchronous Belt Stretch Straighten Tensioner