Matte Black Deadbolt Lock, Square Single Cylinder Modern Deadbolt Lock with Keys, Exterior Keyed Front Entry Door, Interior Swivel Knob, Zinc Alloy, Easy to Instal, for Home, Office, Apartment.

Our black square single cylinder deadbolt lock,external with a single physical key, internala knob switch, adjustable latch 60-70mm, suitable for most doors, including three physical keys. In addition, it also has internal and external dual control mode, free switching, fast unlocking. Lock zinc alloy material, not easy to damage. No punching, It can be installed in less than ten minutes to meet your daily needs.

• [Single-Sided Lock Core + Knob] External key unlocking, internal knob one-key switch, convenient and safe, suitable for a variety of door types. Fits both right and left handed doors. Recommended for exterior-facing doors.
• [Easy Install] Only need a screwdriver, installation can be completed in 10 minutes, saving your time and energy. Fits door board thickness: 1-3/8" to 1-3/4"(35mm-45mm). Adjustable Latch: 2-3/8" or 2-3/4"(60mm or 70mm).
• [Durability] Zinc alloy material can last longer. Provide reliable security to your home.
• [Box Contains] Exterior keyed deadbolt, Interior turn piece, adjustable latch, 3 keys, screws,"Installation Instructions ".
• [Multi-Scene Selection] Simple square appearance is suitable for modern home/business door, villa door, warehouse, office. Independent packaging contains 3 emergency keys.