Dee Zee Tool Box - Blue Label (Contractor Grade) Side Mount. Constructed of heavy gauge Brite-Tread aluminum. Black-Tread powder coat, provides a gloss black finish while it protects and prevents oxidation. Large push button with self-adjusting latches. Hidden hinge, gas shocks, Alumaguard strengthening channel, and adjustable strikers on a hat style lid. Works great by self or maximize your storage options with a matching crossover.