Listing is for a set of four (4) Service Caster Series #30 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 5" diameter by 2" wide glass filled nylon wheel and maintenance free precision ball wheel bearings capable of supporting a total weight of 5,000 lbs. (1,250 lbs./caster).
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