4pcs Industrial Swivel Castor Wheels Retractable Leveling Casters 1000KG Heavy
360-degree caster with double ball bearing design with rotatable roof. -An ideal substitute for the inoperative casters of difficult-to - move machines. Load Capacity of One Caster: 500kg/1102lbs. 4 x 500kg/1102lbs Leveling Casters.