Underbody Truck Box, Silver, Single Drop Door, Overall Width 18 in, Overall Depth 18 in, Overall Height 18 in, Storage Capacity 3.3 cu ft, 16 ga Gauge, Mounting Style Bolt-On, Locking System Keyed, Latch Mechanism T-Handle Compression, Includes 1/2 in Door Gasket (Automotive-Style), Continuous Hidden Hinge, From Moisture & Road Dirt, Replaceable Doors, Doors Interchange With Steel Underbody Toolboxes, Body Material Diamond Tread Aluminum, Cover Material Diamond Tread Aluminum