- Effortless Installation: Designed for DIY enthusiasts, this door lock features upper and lower screw holes along with all necessary accessories for a seamless one-person installation. It includes reversible door handles, making it perfect for both left-hand and right-hand doors. - Enhanced Security: Ensure your safety with a keyed entrance mechanism. This lock is suitable for exterior doors, including knob and handle sets. Lock and unlock easily from the outside with a key, while enjoying the convenience of turn buttons from the inside. Please note that each lock comes with a unique key. - Versatile Specifications: This lock is designed for doors with a thickness ranging from 35mm to 45mm (1.38 inches to 1.78 inches) and features adjustable latches from 60mm to 70mm (2.4 inches to 2.8 inches), ensuring compatibility with a variety of door types. - Premium Materials: Constructed from durable stainless steel and zinc alloy, this lock offers a sleek black finish and modern wave style levers, combining aesthetics with performance. Use Cases: 1. Perfect for residential front doors, providing peace of mind to homeowners. 2. Ideal for office entryways where security and ease of access are paramount. 3. A great solution for rental properties, enabling landlords to easily change locks between tenants while ensuring each has a unique key for security. Package Includes: Selected knobs, mounting screws, and detailed installation instructions for hassle-free setup.