![UniTak3D Ender 3 2020 X-axis and 4020 Y-axis Belt Tensioner Aluminum Alloy Upgrade Kit: Amazon.com: Industrial & Scientific UniTak3D Ender 3 2020 X-axis and 4020 Y-axis Belt Tensioner Aluminum Alloy Upgrade Kit: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51sepibhdML._AC_UF894,1000_QL80_.jpg)
UniTak3D Ender 3 2020 X-axis and 4020 Y-axis Belt Tensioner Aluminum Alloy Upgrade Kit: Amazon.com: Industrial & Scientific
![Amazon.com: FYSETC Upgrade 3D Printer Ender 3 Belt Tensioner Y-axis 4020 Synchronous Belt Stretch Straighten Tensioner, for Crealty Ender-3 40x20mm V-Slot Aluminum Profile(4020, Black) : Industrial & Scientific Amazon.com: FYSETC Upgrade 3D Printer Ender 3 Belt Tensioner Y-axis 4020 Synchronous Belt Stretch Straighten Tensioner, for Crealty Ender-3 40x20mm V-Slot Aluminum Profile(4020, Black) : Industrial & Scientific](https://m.media-amazon.com/images/I/51Z1g+ZYmwL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: FYSETC Upgrade 3D Printer Ender 3 Belt Tensioner Y-axis 4020 Synchronous Belt Stretch Straighten Tensioner, for Crealty Ender-3 40x20mm V-Slot Aluminum Profile(4020, Black) : Industrial & Scientific
![Amazon.com: UniTak3D Ender 3 Belt Tensioner X-axis Upgrade Kit 2020 Profile for Ender 3 Pro,Ender 3 V2,CR 10,CR 10S,Tronxy X3 3D Printers(Black) : Industrial & Scientific Amazon.com: UniTak3D Ender 3 Belt Tensioner X-axis Upgrade Kit 2020 Profile for Ender 3 Pro,Ender 3 V2,CR 10,CR 10S,Tronxy X3 3D Printers(Black) : Industrial & Scientific](https://m.media-amazon.com/images/I/51GM9YGMdrL.jpg)
Amazon.com: UniTak3D Ender 3 Belt Tensioner X-axis Upgrade Kit 2020 Profile for Ender 3 Pro,Ender 3 V2,CR 10,CR 10S,Tronxy X3 3D Printers(Black) : Industrial & Scientific
![Amazon.com: IdeaFormer 3D Printer Belt Tensioner, Assembled 2020 Profile X-axis Belt Tensioner for Ender 3, Ender 3 Pro, CR-10, CR-10S, Tronxy X3,Sunlu S8 : Automotive Amazon.com: IdeaFormer 3D Printer Belt Tensioner, Assembled 2020 Profile X-axis Belt Tensioner for Ender 3, Ender 3 Pro, CR-10, CR-10S, Tronxy X3,Sunlu S8 : Automotive](https://m.media-amazon.com/images/I/51x1cdrhbiL.jpg)
Amazon.com: IdeaFormer 3D Printer Belt Tensioner, Assembled 2020 Profile X-axis Belt Tensioner for Ender 3, Ender 3 Pro, CR-10, CR-10S, Tronxy X3,Sunlu S8 : Automotive
![Amazon.com: Qjaiune Ender 3 Belt Tensioner X and Y Axis, 2020 Profile X-Axis Belt Tensioner & 2040 Profile Y-Axis Synchronous Stretch Tensioner, Straighten Belt Tensioner for Ender 3, CR-10 (X2020+Y2040) : Industrial Amazon.com: Qjaiune Ender 3 Belt Tensioner X and Y Axis, 2020 Profile X-Axis Belt Tensioner & 2040 Profile Y-Axis Synchronous Stretch Tensioner, Straighten Belt Tensioner for Ender 3, CR-10 (X2020+Y2040) : Industrial](https://m.media-amazon.com/images/I/61xTqdVPgdL.jpg)