🔑 Unlock Style and Security! Designed to fit standard doors with adjustable latches for a seamless installation. Comes with three brass keys for peace of mind, perfect for both interior and exterior doors. Elevate your space with a classic matte black finish that complements any decor. Crafted from stainless steel and high-grade copper, built to withstand over 200,000 cycles. No need for professionals! Everything you need is included for a hassle-free setup. ANSI Grade 3 Security 200,000+ Cycle Durability DIY Installation Ready The Lanwandeng Matte Black Door Knob combines durability and elegance, featuring ANSI Grade 3 security, easy DIY installation, and a timeless design that fits any interior or exterior door. With a robust stainless steel construction and included brass keys, this door knob is the perfect blend of style and functionality.