The rugged roto-molded shell ensures industry leading strength and impact resistance. The case comes with a 2” deep front lid and a 5” deep rear lid to accommodate rack gear that is longer than 24”, and edge casters to allow convenient case transport. Molded-in stacking ribs and lugs are designed to stack with competitive manufacturers cases. Black powder coated stainless steel hardware is standard as well as 8 comfort grip spring loaded lift handles. An automatic pressure relief valve is another standard feature along with gasket sealed lids that include convenient lid hangers to store your lids when your equipment is in operation. Coupling straps are included for securing the racks together when stacked.