Heavy Duty Semi Steel Cast Iron Caster

Listing is for a set of four (4) Service Caster Series #92 swivel casters, four (4) swivel casters with side lock brakes and bolt on swivel locks, 8" diameter, 3" wide semi steel cast iron wheels. Supports 10000 total pounds (lbs) at 3000 pounds (lbs) per caster. Non Marking/Non Marring.