6K Container Caster - Set of 4 – Chassis King Inc.
8 Metric Ton - Shipping Container Caster Dolly Wheels - 10" Diameter Double Caster - 8 Ton / 17,600 lbs. Capacity Each - Sold Individually - Pacific Marine & Industrial
Amazon.com: Shipping Container Wheels 6-Lug EZY Wheels, Heavy-Duty Shipping Container Axles, Nickel-Chrome Finish Dolly, Fully Assembled for Up to 40' Shipping Container, Made in USA, 2-Pack : Industrial & Scientific