Listing is for a set of four (4) Service Caster Series #30 stainless steel casters, two (2) swivel casters with side lock brakes and two (2) rigid casters, with 6" diameter by 2" wide solid polyurethane wheel and maintenance free precision ball wheel bearings capable of supporting a total weight of 4,700 lbs. (1,200 lbs./caster).
