"The CamLocker HD 71- Inch Crossover Truck Tool Box is made of heavy- gauge .08 aluminum weld construction and has full length stainless steel hinges. Weatherstripping has been enhanced for better protection. The locking system uses revolving cams that hooks through welded catches to make your box extra secure. On the outside this has t- handles hat can be secured with a key, and are chrome- plated carbon steel t- handles. If this all sounds prety secure, well it is- you need a powertool to get into this tool box without a key! Inside this tool box are removable tool trays that also slide, and it is fully carpeted. The carpeting is fully removable for cleaning, and is mold & mildew resistant. If you want to use the same company that builds the boxes for the government, CamLocker is part of American Aluminum who has built boxes for various government entities. You cannot get a more secure tool box than the CamLocker HD 71- Inch Crossover Truck Tool Box! | CamLocker 71"" Crossover HD Low Profile Tool Box Matte Black w/ Rails CAMHDS71LPRLMB"