DEE ZEE HARDWARE SERIES SIDE MOUNT TOOL BOX, STEEL, BLACK -- 48 in. L x 12.75 in. W x 10 in. H; 3 cu. ft. volume; Made of sturdy 20-gauge steel with NRT corrosion resistant coating; Fits 6 ft. bed with crossover on full size trucks and 7 ft. bed with crossover or 6 ft. bed without crossover on mid and mini size trucks; With Dee Zee's limited 3-year warranty.