INFO:

Listing is for a set of four (4) Service Caster Series #30 stainless steel casters, two (2) swivel casters with top lock brakes & bolt on swivel locks and two (2) rigid casters, with 6" diameter by 2" wide gray thermoplastic rubber donut tread wheel and delrin wheel bearings capable of supporting a total weight of 2,000 lbs. (500 lbs./caster).