Features Durable Aluminum Alloy Construction: Crafted from high-quality aluminum alloy with anodized treatment, ensuring wear resistance and preventing deformation over time Versatile Compatibility: Designed for use with 2020/2040 aluminum profile printers, including popular models like Tevo Tarantula, V slot, Tronxy X3, and Openbuild Precision Tension Adjustment: Features a timing belt that allows for easy stretching and adjustment, enhancing the performance of your 3D printer with reliable accessory support Portable and User-Friendly: Compact size makes it convenient to carry and store, providing an easy installation process for both beginners and experienced users Strict Quality Control Assurance: Undergoes rigorous testing for safety and reliability, allowing you to use this accessory with confidence for optimal printing results Features: 1、High？quality aluminum alloy material, anodized treatment. Wear resistance and no deformation. 2、For 2020/2040 aluminum profile printer, for Tevo Tarantula, for V slot, for Tronxy X3, for Openbuild. 3、The timing belt stretches and adjusts the fixed tensioner, which is a high-quality 3D printer accessory. 4、Convenient to use and with good performance, with small size, easy to carry and store. 5、Strict quality control and quality assurance, high safety factor, can be used with peace of mind. Specification: Item Type: Aluminum Synchronous Belt Tensioner Material: Aluminum alloy Treatment: Anodic oxidation Package List: 1 x Aluminum Synchronous Belt Tensioner 4 x Screw 4 x Accessories Package List 1 x Aluminum Synchronous Belt Tensioner 4 x Screw 4 x Accessories