Cambro 60006 Ultra Pan Carriers, Service Carts, Ice Caddies, Camdollies, and Utility truck Replacement Caster–5 Inch Gray Polyurethane Rigid Caster–High Quality Replacement Caster-Service Caster Brand - Walmart.com
STEALTHO Rubber Office and Gaming Chair Wheels Replacement Set of 5, Heavy Duty Roller Casters for Furniture, No Chair Mat and Carpet Needed, Stem 7/16 inch - Walmart.com