The Von Duprin 110NL-MD Night Latch Cylinder Exit Device is a high-quality and durable option for commercial & residential doors made of metal and FRP. Made in the United States, this silver-colored device is ANSI Grade 1 rated, ensuring top-notch security. It includes all necessary hardware and does not require batteries for operation, making it a reliable choice for businesses looking to enhance their security measures. Designed for commercial use, it offers peace of mind and protection for both people and assets.