Easy installation: The tensioner comes pre-assembled, making it quick and hassle-free to install on your 2020 aluminum profile X-axis 3D printer. Improved belt tension: With the tensioner, you can easily adjust the belt freedom, ensuring optimal performance and print quality. Durable construction: Made from high-quality aluminum alloy material, the tensioner is built to last and withstand the rigors of 3D printing. Versatile compatibility: Compatible with popular 3D printer models like for Creality Ender-2/Ender 3/Ender 3 Pro/Ender-3 V2/Ender 3S/Ender 5/ CR10 / CR10S/CR10 S5, making it a versatile upgrade for various setups. Reusable design: The tensioner can be reused, allowing you to make adjustments or transfer it to different printers as needed, making it a cost-effective choice for 3D printer enthusiasts. Item Name: Printer Tensioner Material: Metal Features: Durable, Non-slip, Versatile Compatibility Applicable Belt Width: 6mm Size Details: L: 8.5cm/3.35", W: 2.8cm/1.1" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Printer Tensioner