These plastic square tube sleeves are designed as a practical fitness equipment accessory to improve durability and practicality in your workouts. Enhanced toughness: The sleeves feature a sturdier design that provides improved protection and support for your fitness equipment, helping to minimize wear and tear. Wide compatibility: They are designed with various specifications to fit different diameter tubes; compatible with a wide range of models and available in stock. Easy installation: They are easy to use and install, saving you time and effort when setting up or maintaining your equipment; a hassle solution to enhance performance. Material and function: Made of plastic, these sleeves protect square tubes during use, reduce abrasion, and support equipment performance. Use scenarios: Suitable for home gym rigs, commercial gym maintenance, and DIY or modular setups where tube sizes vary. Applications you can consider: In a home gym, install the sleeves on a square tube rack to protect the frame and extend its life. In a commercial gym, quickly swap sleeves on machines with different tube diameters to minimize downtime. In DIY or modular setups, use the sleeves to adapt to varying tube sizes without modifying equipment.