This bed comes with 2 vertical cabinets, 2 angled boxes, 2 top boxes, and 2 rear underbody boxes - plus a bonus locking rear shovel compartment for tons of storage. Multiple option choices allow you to build this bed to your industry. All doors are gas shock equipped and locking paddle latches are standard - as well as a serviceable, tamper-resistant integrated door hinge system. Our 2.5" receiver allows you to add a hitch for bumper pull cargo and a 2 5/16" gooseneck ball is standard in case you are hauling a heavyweight. Our receivers are lab tested and certified for 18,500 lbs bumper capacity and 30,000 lbs gooseneck capacity. Standard adjustable galvanized tool trays with available cabinet tool drawers can add the finishing touch if you have a lot of parts or tools for your workload. Dual LED rear work lights and cast aluminum light housings, as well as tail gate, are standard features on the SD. These beds are a perfect complement for any single or dual wheel work truck with smooth 12 gauge sides, 11 gauge bumper and gloss black powder coating.