High security pick-resistant tubular lock. Four keys per lock included. Unique lock sequences- all cabinets are keyed differently. One fixed shelf and one adjustable and removable shelf with the choice of 4 locations. Full length stainless steel pinned door hinges prevent pin removal. Predrilled holes in the back for mounting on a wall, cabinet or other solid surface (wall mounting hardware included). Narcotics cabinet is delivered ready to use (door handle must be customer installed). Twelve year warranty against manufacturer defect. The 2830AQ replaces narcotics cabinet model 2730.