3 Inch General Duty Rigid Casters

3 in. general duty rigid caster. Soft rubber wheels give mobility to heavy loads on smooth hard surfaces and finished concrete floors where quiet movement and floor protection are important. Caster has a 210 lb. load rating per caster. Rigid caster moves forward and backward only. Attaches with a plate and four screws. Plate size 2-1/2 in. X 4-7/8 in.