Casters Set of 4 Heavy Duty High quality roller bearing is selected to prolong the bearing's service life. Premium industrial rubber can reduce vibration, achieve smooth, quiet, gliding experience on various flooring types. Wheel casters are designed to provide a smooth ride over uneven surfaces. It is ideal for furniture wheels, cart wheels, cabinet wheels which will protect the floor. 8 Inch Caster Wheels A solid solution for easily positioning your steel stand to any desired area. Withstands rigorous use in warehouses, shops, restaurants, schools, and hospitals.