PRODUCT PAGE 4 — 8 INCH (200mm) KU Series Dual Spring Caster 8 Inch KU Series Dual Spring Shock Absorbing Caster – Red Iron Core PU Wheel, Galvanized Steel Bracket, 420kg Load Capacity 8" KU Dual Spring Caster | Red PU Iron Core | 420kg | Galvanized Extra heavy duty 8 inch KU series dual spring shock absorbing caster with red polyurethane iron core wheel and galvanized steel bracket. 420kg load capacity, 6203 bearing. For large lasers, generators, mobile racking, steel