Vertical louvers provide ventilation. Full-length door stiffeners add rigidity and deaden sound when opening/closing. Padlock hasp on each door. Includes number plates for locker identification. Each compartment has hooks for hanging items. Two-point locking system provides security. Multiple rows of lockers can be ganged with standard nuts and bolts (not included). Single Stack—Two lockers with tamper-proof hinges and vertical louvers. Configure with optional base (sold separately) to raise locker 6" off floor for easier access to bottom unit. Color(s): Medium Gray; Overall Width: 12"; Overall Depth: 18"; Overall Height: 72".