- Security & Reliability : Each door knob is ANSI/BHMA Grade 3 certified, ensuring durability with over 200,000 cycles. Crafted from premium metal and equipped with a stability spring, this knob is corrosion-resistant, providing robust security for your doors. - Easy Installation : Featuring a screw alignment adapter, this door knob can be installed effortlessly in minutes using just a screwdriver. Its simple design allows for easy operation, making it user-friendly for everyone. - Versatile Compatibility : The solid metal adjustable latch fits standard doors with backsets of 2-3/8'' to 2-3/4'' (60-70mm) and door thicknesses of 1-3/8'' to 1-3/4'' (35-45mm). It is reversible for both left-handed and right-handed doors, enhancing its versatility. - Practical Applications : This passage door knob is ideal for hallways, closet doors, and other passage doors. It does not include a locking mechanism, making it perfect for spaces where you need easy access without the need for locking. - Sophisticated Design : The sleek and modern design adds a touch of sophistication to your home décor, seamlessly blending with various interior styles while ensuring functionality.