Master Caster 23620 Deluxe Casters, 100 lbs./Caster, Polyurethane, Matte Black, 5/Set

Ergonomically designed to reduce the risk of accidents and injury to users The importance of good casters is often overlooked! They can help protect you from dangerous issues such as wrong wheels for the floor surface, worn-flat wheels, worn holes or sockets, bent stems, locked raceway or missing ball bearings.