- Classic black door handles with lock and key, designed for durability and security. - ANSI Grade 3 certified, exceeding 200,000 cycles for reliable performance. - Features a robust column bolt for enhanced protection against cutting. - Compatible latch sizes: 60 mm (2-3/8") or 70 mm (2-3/4"), accommodating door thicknesses of 35 to 45 mm (1-3/8" to 1-3/4"). - Suitable for both right and left-handed doors, ensuring versatile installation. - Easy installation using a Phillips screwdriver. - Package includes all necessary hardware, latch, three switches (3 keys in 1 lock), and screws for both sides of the door. - The exterior features a locked/unlocked mechanism, while the interior includes a thumb-turn button for easy access. Use Cases: 1. Ideal for residential front doors, providing security and style for homeowners. 2. Perfect for interior office doors, offering key access for staff while maintaining a professional appearance. 3. Suitable for rental properties, giving landlords peace of mind with a reliable locking system.