Master Mfg. Co Gemini Heavy-Duty Chair Mat Casters - 3in Dia., 1-1/2in x 1-1/2in Plate, 220 lbs./Caster, 4/Set, 2 Brakes

Eliminates hazards such as sliding, skating and run-away chairs. Weight Rating: 220 lbs/Caster. 4/Set. Grey and Black Finish. 1-1/2in x 1-1/2in plate attachment. 3in diameter heavy-duty twin wheel casters. Prevents damage to chair mats and other hard floor surfaces. Built strong, perfect for hospitals, fits most medical applications. Safe and easy lock/release toggle brake, 2 per set.