Underbody Truck Box, Silver, Single Barn Door, Overall Width 30 in, Overall Depth 18 in, Overall Height 18 in, Storage Capacity 5.3 cu ft, 12 ga Gauge, Mounting Style Bolt-On, Locking System Keyed, Latch Mechanism T-Handle Compression, Includes Doors Swing Outward, Single Left-Swing Door, Body Material Diamond Tread Aluminum, Cover Material Diamond Tread Aluminum, Lid Type Non-Adjustable