Amazon.com: 2 inch Caster Wheels Set of 4 Heavy Duty - CLOATFET Locking Casters, Swivel Casters with Brake (Top Plate), Non Marking Grey TPR Rubber Castor Wheels for Cart Furniture Workbench :
10 in. Solid Rubber Tire with Steel Hub
5 in. Polyurethane Rigid Caster
6 in. Rubber Rigid Caster
3" x 3/4" Stem Swivel Caster
Set of 4 caster wheels for Harbor Freight Blast Cabinet, Vapor Blaster / Hone | eBay