8 Inch Poly on Cast Iron Caster Set with Roller Bearing 2 Swivel Lock 2 Rigid

Listing is for a set of four (4) service caster series #35 casters, two (2) swivel casters with bolt on swivel locks and two (2) rigid casters, with 8" diameter by 2" wide polyurethane on cast iron wheels capable of supporting a total weight of 5,000 lbs. (1,250 lbs./caster).