POWERTEC 6 Inch Caster Wheels, Heavy Duty Swivel Plate Casters with Rubber Knobby Tread for Workbench, Dolly, Cart, Trolley, Wagon and Chicken Coop, ...
POWERTEC Swivel Heavy-Duty Industrial Caster, 8 in. Wheel Dia 17051 - The Home Depot
4 in. Rubber Swivel Caster - Stem Mount
Moogiitools 4 inch Heavy Duty Casters Load 1800lbs,Lockable Bearing Caster Wheels with Brakes,Swivel Casters for Furniture and Workbench,Set
Heavy Duty Caster Wheel | 14PLY
Heavy Duty Castors & Heavy Duty Caster Wheels - YTCASTER
8 inch Heavy Duty Polyurethane Wheel Caster with Brake, High Capacity
8-inch Heavy-Duty Caster Wheel with Double-Lock Locking Pedal for Metaltech Scaffolding, 4-Pack
2" x 7/8" Plastic Wheel Concealed Caster with Ultra Low Overall Height - Mapp Caster