The 13" deep, 4 RU Pro Series Roto-Molded Military-Grade Rack Case from Gator Cases is a high-density military-grade lightweight polyethylene case, well suited for rackmount signal processors and other gear. The case has threaded front and rear rack rails, as well as full-size front and rear interlocking lids with gaskets, helping to protect your gear from the hazards of on-the-road wear and tear. Additional features include heavy-duty twist latches, comfortable recessed side handles, and non-slip rubber feet. The improved stacking design is backwards compatible with 1st generation G-Pro racks. Made from recycled material, the Gator Cases Pro-Series Roto-Molded Military-Grade Rack Case is made in the USA.