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.