8 Inch Thermoplastic Rubber Caster Set with Roller Bearing 2 Swivel Lock 2 Brake

The listing is for a set of four (4) service caster series #30 casters, two (2) swivel casters with bolt-on swivel locks and two (2) swivel casters with side lock brakes, with an 8" diameter by 2" wide thermoplastic rubber flat tread on polyolefin core wheels capable of supporting a total weight of 2,400 lbs. (600 lbs./caster).