Make it easier on yourself with the use of our MaxxHaul 50686 3" Heavy Duty Caster Wheels! Our casters are ball bearing, non-marring, quiet rolling, and shock-absorbing and may be used in either indoor or outdoor settings. It's constructed using durable polyurethane material with a heavy duty steel frame to provide a sturdy and long-lasting product. It has a maximum loading capacity of 1000 lbs. (250 lbs. per wheel). The casters can easily rotate 360 degrees, allowing you to move furniture, appliances, and other heavy objects effortlessly. Our product as a whole includes a set of 4 locking casters with brakes. Finally, the compact design makes it easily portable and usable in various settings such as in homes, schools, garages, shops, etc.