Single access code - one easy to manage code for all users Lock is easily programmed via keypad without removing lock from the door Factory-handed; not field reversible Small format interchangeable cores, large format removable cores Simplex L1000 Series Eliminates the material and labor expense of battery replacements and has a single access-code. Construction: Heavy-duty cylindrical lock housing with cast front housing, unified trim plate, and fixed ADA-compliant levers Door Preparation: Easily installs on wood or metal doors. ASA 161 door preparation with additional through holes. Door Thickness: 1⅜" (35 mm) to 2¼" (57 mm)—Pre-assembled to accommodate 1⅝" (41 mm) to 2" (51 mm) doors Numeric Keypad: Vandal resistant, solid metal pushbuttons Handing: Factory-handed; not field reversible Backset: 2¾" (70 mm), 2⅜" (60 mm) Latch: ½" (13 mm) throw latch, ¾" (19 mm) throw latch (optional) Minimum Stile Recommended: 5" (127 mm) Strike: Standard strike plate; ASA strike plate Accessibility Standard: Americans with Disabilities Act (ADA); fixed ADA-compliant levers Durability: D.O.D. Compliant 5220.22M for supplemental access control; weather resistant Fire Rating: 3-hour UL/ULC fire rating for "A" labeled doors