The listing is for a set of four (4) service caster series #35 casters, two (2) swivel casters with side lock brakes & bolt-on swivel locks and two (2) swivel casters with a bolt-on swivel locks, with 4" diameter by 2" wide solid polyurethane wheels capable of supporting a total weight of 2,800 lbs. (700 lbs./caster).
