Thermoplastic Set with Roller Bearing 2 Swivel Lock and 2 Rigid

The 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 thermoplastic rubber donut tread wheels capable of supporting a total weight of 2,400 lbs. (600 lbs./caster).