5" Heavy Duty Semi Steel Cast Iron Swivel Casters - 4,000 lb Capacity Set of 4

Listing is for set of 4(four) Service Caster Series #30 swivel casters fitted with 5 inch diameter by 2 inch wide Semi Steel cast iron wheels. Quality casters featuring double ball bearing heat-treated raceways, bright zinc plating, grease fittings and ?"(.625 inch) bolted kingpins. These casters are ideal for dollies, platform trucks, warehouse carts and freight terminals. Series #30 medium heavy duty casters are well-suited for industrial and commercial equipment. Also ideal installed on drywall carts, welding carts, and wall panel carts.