Topside Truck Box Silver Double Overall Width 64 1/4 in Overall Depth 16 1/4 in Overall Height 18 in Storage Capacity 10.8 cu ft 16 ga Gauge Mounting Style Bolt-On and Clamp-On Locking System Keyed with Drill-Resistant Lock Core Latch Mechanism D-Handle 3-Point Includes (2) Keys Body Material Diamond Tread Aluminum Cover Material Aluminum Lid Type Non-Adjustable