Our 2″ (50mm) twin wheel hooded standard caster is made in the USA with quality materials and will last for decades. This caster uses the B stem (7/16″ x 7/8″) wire grip system for easy attachment to chair bases and are finished in matte black. Choose hard wheel casters for use on carpeting to provide smooth rolling and soft wheel casters for use on chair mats and other hard floor surfaces including wood, tile and linoleum to prevent damage.
These casters are designed to work with our office chair bases