The 3SKB-R906U24 ATA Roto-Molded Shock 24" Rack Shipping Case is a six unit 24" deep roto-molded case. Features include compound hinged doors, black powder coated stainless steel latches, removable 4.0" casters, eight HM-245 elastomeric shock mounts with a load range of 40 to 150 lb., gasketed doors and a pressure relief valve. The case meets most ATA or military specifications for shipping cases.