Super Heavy Duty Castor Wheels Rubber Tire ISO Shipping Container Caster Wheels After the caster wheel be installed, the wheel will provide an efficient way of moving at low speeds (not fit for high speed). The common uses are moving containers in and out for maintenance, alterations, upfits or for complexing and loading shelters. Towbars are also available and these fit the end hole of the corner fitting. The Container Casters are very rugged products, available in a wide range of capacities and wheel types for different surfaces. All casters are swivel type with a swivel lock, locking at 90° increments. This offers the user the most flexibility by allowing all to swivel for tight turns or to lock two rear if desired when towing.