Kingpinle Semi Steel Caster

Listing is for a set of four (4) Service Caster Series #KP30 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 semi steel cast iron wheels capable of supporting a total weight of 4,000 lbs. (1,000 lbs./caster).