- Keyed Alike System: Enjoy seamless security management with all locks keyed the same. Eliminate the clutter of multiple keys for your convenience. - Easy Installation: Set up your new lockset quickly with our user-friendly DIY installation process. The package includes a scratch-resistant screwdriver, mounting screws, and easy-to-follow instructions, so you can install it without needing professional assistance. - Versatile Compatibility: This round door knob lockset fits doors ranging from 1-3/8" to 1-3/4", making it an ideal choice for various entry points in your home, such as the front door, backdoor, or bedroom door. - Exceptional Durability: Built to exceed ANSI Grade 3 standards, this lockset is designed for longevity, withstanding over 200,000 cycles. Its black stainless steel knobs and high-grade copper lock and keys provide superior corrosion resistance. Use scenarios: 1. Secure your main entrance with a reliable lock that simplifies access for family members while maintaining safety. 2. Upgrade your bedroom door with a stylish knob that ensures privacy and ease of use. 3. Perfect for rental properties, allowing landlords to provide hassle-free access while enhancing security for tenants.