Features: Make of high strength plastic to ensuring that it is not easily worn or break during long term use. Installation can be completed without any tools and is easy to fix in the desired position. Suitable for various types of fitness equipment accessories.They provide a secure and stable fit, the safety of your fitness equipment. The unique design ensuring that it will not slide or fall off during use, improving the safety of the fitness process. These square tube sleeves are designed for easily installation. slide it onto the tubes and you're ready to go. Specifications: Component: Plastic Size: As Shown in the Picture Package Includes: 1pc Square Tube Sleeve note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.