IntelliStage 4'x8' Mobile Stage on Wheels | StageDrop
5x2" heavy duty casters -industrial casters, polyurethane on aluminum caster wheel- set of 4 with up to 4000lb capacity - widely use for,u-boat platform trucks (2 brake &2 swivel) - Walmart.com
Polyurethane Caster for U-Boat Platform Truck - 4 x 2", Swivel H-1825SWIVEL - Uline
Wesco Steel Platform Truck With 8"Dia Mold On Rubber Casters, Green - 60"L x 30"W
ProFlex PF4CB Stage Platform Storage/Transport Caster System | StageDrop
SKB 1SKB-RCB Roto and Shallow Rack Caster Platform 1SKB-RCB B&H
Heavy-Duty Rolling Platform Base with Fork Pockets and Locking Caster Wheels - Mobile Roller Dolly for Warehouses, Storerooms, Shipping Facilities, or Industrial Environments | Titan Attachments
Platform Truck Caster Kit - 5 inch Thermoplastic Rubber (flat)
8PHP44 Replacement Caster Wheels for Rubbermaid® Platform Trucks 4471 4441 Set of 4
SNAP-LOC 500 lbs. Capacity DIY Easy-Move Foldable Push Cart Platform Truck with 4 in. Thermoplastic Swivel Non-Marking Caster SL0500C4TG - The Home Depot
Casters for Work Platform - Rolls Smoothly - Easy Operation - Poly Construction
Buy Heavy-Duty Platform Truck, 4 each 8" swivel Poly casters, 2400 lb capacity, 1 push handle | Shiffler - Furniture, Fixtures and Equipment for Schools