4 Piece Nylon Caster Set with Brake/Swivel Lock Rigid

Listing is for a set of four (4) caster, two (2) swivel casters with side lock brakes & bolt on swivel locks and two (2) rigid casters, with 6" diameter by 2" wide nylon wheel and maintenance free precision ball wheel bearings capable of supporting a total weight of 5,000 lbs. (1,250 lbs./caster).