The Entertainment Industry like various branches of military have specialized containers for the contents of high technical equipment that need to be transported to various sites with a dynamic and diverse terrain to overcome. The 6600 Series of Pneumatics and Air-Flat-Free wheel types in 6” and 8” are ideal for travel where turbulence can be absorbed and deliver a smooth ride to final destination. The Heavy Duty box containers are usually equipped with 5” Polyurethane swive casters for ease of rolling on concrete and wood surfaces especially with their non-marking attributes.