- Durable Material: Constructed from high-quality zinc alloy, this lock features a solid column security bolt that provides robust anti-sawing protection, ensuring your doors are secure. - Unique Key System: Each lock operates with its own proprietary key, enhancing security. Multiple packs are available with different keys, reducing the risk of unauthorized access. - Versatile Functionality: Designed for exterior doors, this lock can be easily locked or unlocked with keys from the outside and features a convenient turn button for inside access. Compatible with both right- and left-handed doors. - Adjustable Dimensions: The adjustable latch accommodates backsets of 2-3/8 inches (60mm) or 2-3/4 inches (70mm), fitting doors with a thickness of 1-3/8 inches to 1-3/4 inches (35mm to 45mm). Note that the latch plate is square and non-removable. - Practical Applications: Ideal for securing residential entryways, commercial buildings, or any exterior access points, this lock enhances safety while providing easy access for authorized users. This lock offers reliable security and compatibility for a range of door types, making it a practical choice for any property owner looking to enhance their security measures.