The Simplex 7104 Mechanical pushbutton Deadlocking Latch eliminates problems and costs associated with issuing, controlling, and collecting keys and cards. Provides fully mechanical primary or auxiliary pushbutton access control by exterior combination, while allowing free egress at all times by interior thumbturn. Deadlocking latch relocks automatically when door closes Features: Fully mechanical lock eliminates the material and labor expense of battery replacements Deadlocking Latch—relocks automatically when door closes Number of Codes: Single access code—one easy-to-manage code for all users Lock is easily programmed via keypad without removing lock from the door Field reversible Handing Pushbutton Access Primary / Auxiliary Lock Specifications: Construction: All metal cast front housing; force-resistant, clutch-protected exterior thumbturn Locking Device: ½” (13 mm) Deadlocking Latch, flat front face plate Adjustable 2⅜” (60 mm) to 2¾” (70 mm) backset Numeric Keypad: Vandal resistant, solid metal pushbuttons Handing: Field reversible Finish: Bright Brass Backset: Adjustable 2⅜” (60 mm) to 2¾” (70 mm) backset Latch: ½” (13 mm) deadlocking latch Minimum Stile Recommended: 4” (102 mm) Strike: Curved lip strike plate Door Preparation: 1⅜” (35 mm) diameter through bore 1″ (25 mm) diameter cross bore ¾” (19 mm) through bore 2 x ¼” through bores Door Thickness: 1⅜” (35 mm) to 2¼” (57 mm), wood or metal Durability: Weather resistant Certification: BAA/NAFTA Certified Warranty: 1 year manufacturer warranty