The SKB 4U Roto Rolling Rack Case is designed to house rack-mountable equipment for musicians and audio engineers in studios, live stage applications, and mobile-recording setups. It features threaded steel rails in the front and back and a waterproof gasket to keep your gear dry. The rear access door allows easy configuration of your equipment's rear-panel connectors and switches. Military-grade butterfly latches provide dependable and secure closure. A one-touch pull handle, low-profile carry handles, and back-lid-mounted rolling wheels deliver versatile and effective transport methods. The case's slotted design enables easy stacking with SKB standard and shallow racks.