The Fuel Tank Toolbox Combo is a 41-gal. auxiliary fuel tank with built-in toolbox and 100 percent aluminum diamond tread plate construction. U. S. A. Not for use with gasoline. It is the user's responsibility to comply with local, state and federal requirements pertaining to safe transportation, loading and discharging of tank contents. Box Dimensions L x W x H (in. ): 48 x 30 x 6 1/4, Overall Dimensions L x W x H (in. ): 57 x 31 x 19 1/2, Compatible With: Nonflammable liquid, Material Type: Aluminum, Lock Included: Yes, Tank Type: Auxiliary, DOT Approved: Yes, Includes: Suction tube, manual sight gauge, baffles, return, drain fittings, Tank Size (gal. ): 41, Lock Type: Stainless steel key locks, Finish Type: Diamond plate, Tank Dimensions L x W x H (in. ): 55 x 30 x 12 1/4, Fits Models: 8-ft. truck beds, Shape: Rectangle.