4 Piece Steel Caster Set with Roller Bearings

Listing is for a set of four (4) service caster series #30 casters, two (2) swivel casters with side lock brakes & bolt on swivel locks and two (2) swivel casters with a side lock brakes, with 4" diameter by 2" wide v groove semi steel core wheels capable of supporting a total weight of 1,200 lbs. (800 lbs./caster).