Master Caster Futura Series Casters, Hard Wheel, Stem B For Metal Bases, Pack Of 5

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. Black-hooded design provides effortless swiveling and smooth, quiet rolling. Weight rating is 100 lb. per wheel. Hard nylon wheels are for use on low- to medium-pile carpets. Each set is packaged with 5 caster wheels and 10 stems. 5 each of: K stem 3/8in x 7/8in and B stem 7/16in x 7/8in for mistake-proof selection.