RKI Crossover Truck Tool Box C-Series Deep Bright Aluminum Model C63DARKI Crossover Truck Tool Box C Series Deep Bright Aluminum Model C63DA Hull of the box is constructed of . 080 diamond treadplate aluminum Bottom of the box is constructed of . 125 smooth aluminum, and welded in with full arc welds, no spot welds Full size stainless steel paddle latches are recessed into the ends of the box and synchronized to allow opening or locking from either side of the vehicle Two keys are furnished per box Lid is equipped with