Dee Zee Universal Tool Box - Hardware Side Mount - Black 48InDee Zee Tool Box Hardware Series Side Mount Boxes. Constructed of durable 20 gauge steel. Protected by texture black NRT(TM) (No Rust Technology) rust inhibitor powder coat finish. Crown style lid with a full pan double V stiffener for superior rigidity. Other features: lockable stainless steel paddle handles, dampened gas shocks, closed cell foam gasket, and self adjusting strikers. Protected By Texture Black NRT Rust Inhibitor Powder Coat Lockable