Easy to install and versatile This 4-piece universal wheel set is designed for quick installation and broad use. They can be used at home, school, garage, shop, car maintenance areas and hospital settings. They are suitable for moving footstools and other furniture. The rubber elasticity protects floors while the metal core provides durability and stability. Flexibility and safety Double ball bearings enable smooth 360-degree rotation for easy movement of loads in any direction. The wheels are equipped with pedal-operated brakes to lock the cart for safety, and the double parking brakes add extra protection to ensure user safety. Reliable heavy duty 4 piece set Made of high quality materials with a solid structure, this set offers robust universal wheels that rotate 360 degrees smoothly, quietly and with durability. The design emphasizes strength and steadiness for reliable everyday use. High load capacity Low center of gravity design lowers the force point of the roller for improved stability. The solid nylon wheels provide a large contact area, supporting high loads across a variety of environments. Well suited for large instruments, furniture and other heavy items. Use scenarios - Home: Move footstools, chairs, small tables or other furniture easily without floor damage. - School or office: Reposition carts, lab equipment, display stands or heavy desks with minimal effort. - Hospital or workshop: Transport medical carts or heavy equipment safely and smoothly in clinical or workshop settings.