Product Name: American 6-Inch Iron Core PU Wheel Polyurethane Casters Model NO.: Medium Thickness: 56mm Diameter: 150mm Specification: 6inch Maximum Load: 300kg Brand: Dihua Surface Treatment: Galvanized Bearing Type: Telling Bearing or Plastic Bearing Brake: With Brake Wheel Material: PU Type: Rotating Wheel Trademark: DH Transport Package: Carton Specification: Medium and heavy Origin: Zhejiang, China HS Code: 87169000 Product Description This [Korean iron core PU caster] has the functions of overload, abrasion resistance, silence and no damage to the floor! The material is iron core polyurethane, and the load capacity is 350KG-500KG (per wheel). Considering the uneven road surface, the total load of the four wheels is calculated by 3 wheels, and the uneven force is applied to replay the wide point. For details, please contact customer service. Welcome to order large quantities of casters, large favorably, welcome to consult!This [Korean iron core PU caster] has the functions of overload, abrasion resistance, silence and no damage to the floor! The material is iron core polyurethane, and the load capacity is 350KG-500KG (per wheel). Considering the uneven road surface, the total load of the four wheels is calculated by 3 wheels, and the uneven force is applied to replay the wide point. For details, please contact customer service. Welcome to order large quantities of casters, large favorably, welcome to consult!