5" Casters for Rubbermaid 4400, 4500 Series - Heavy Duty Replacement - Non-Marking Wheel - Includes 2 Swivel Casters with Brakes & 2 Rigid Casters - Set of 4 - Service Caster Brand - Walmart.com
Amazon.com: Buy Casters - Set of 4 - Replacement Casters Compatible with Rubbermaid Commercial 4400 & 4500 Series Carts - 5" Non-marking Wheels : Industrial & Scientific
Rubbermaid Heavy Duty Utility Carts - F.E. Bennett Co.
6TPDRM45 6 Inch Upgrade Caster Set for Use on Rubbermaid 4500 Series Carts
Rubbermaid 4500-88 bottom shelf | eBay
Rubbermaid | 4500-88 | 2 Shelf | Utility Cart
RUBBERMAID 4500 Gray Rolling Utility Cart 16 x 30 for Sale in Boca Raton, FL - OfferUp
5SRM45XS Extra Soft Caster Set for Rubbermaid® Utility Carts 4401, 4500, 4520, 4505, 4525