The S/E Cabinet comes fully assembled, just add shelves at the spacings desired3 shelves included (standard on DSP models) and adjust on 1" increments Optional single shelf kit available to add additional shelves to cabinet Empty cabinet version available (no shelves)Perforated locking doors with 4 hinges each30"D cabinet with steel back panel and two 3" dia. pop-outs Tamper-proof hinges inside cabinet, not accessible from outside Hinge will hold doors open or keep closed without engaging the lock Great for storing electrical equipment due to the ventilated design and pop-outs at rear of cabinet for power purposes Available in Black, Graphite and Desert Sage