4 Piece Poly on Steel Caster Set with Roller Bearings 2 Swivel Lock 2 Rigid

Listing is for a set of four (4) casters, two (2) swivel casters with bolt on swivel locks and two (2) rigid casters, with polyurethane on cast iron wheels capable of supporting a total weight of 4,800 lbs. (1,200 lbs./caster).