Features Surface anodized treatment, high-quality aluminum alloy material, not easy to deform and wear-resistant. Suitable for 2020/2040 aluminum profile printer, for Tevo Tarantula, for V slot, for X3, for Openbuild. X-axis timing belt straightening tensioner, a very good accessory for 3D printers. With small size, easy to carry and store, with good performance and convenient to use. Strict quality control and quality assurance, high safety factor, can be used with peace of mind. Specification: Item Type: X‑Axis Synchronous Belt TensionerModel: X-axis synchronous belt straightening tensioner Type: Straighten Tensioner Package List:1 x X‑Axis Synchronous Belt Tensioner2 x Accessories Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List 1 x X‑Axis Synchronous Belt Tensioner 2 x Accessories