The Gator Cases G-SHOCK8L G-Shock Rack Case (Black) is a high-density military grade lightweight polyethylene case with 8U rack space and 18.75″ rackable depth. There are independent rubber double shock absorbers at each corner, and 360° air ventilation around equipment. An adjustable interior sliding support on each side of rack adjusts front to back as well as up and down for rear support of delicate or heavy gear. The case has threaded field replaceable 7.0mm zinc plated steel rack rails. It also has locking lids, heavy-duty twist latches and comfortable recessed side handles.