If you've ever stayed in a hotel or lived in an older apartment building, you've likely used a mortise door lock without even realizing it. These locks are known for their strength and classic appearance, but their inner workings can seem a bit mysterious. They are set apart by the deep pocket—or mortise—that is cut into the edge of the door to house the lock body.

​Have you ever wondered what makes your door lock secure? The unsung hero, crucial to keeping your property safe, is the lock cylinder. Whether you’re upgrading your door security or just curious about how your locks work, understanding the lock cylinder can help you make better security decisions.

The exit device is available in two design styles.1.The contemporary touch bar (touch bar) type:The touch bar type usually is a one-piece assembly consisting of a rectangular body extending from the lock stile to the hinge stile. Part of the body protrudes beyond the unit as a touch bar (touch pad/c

Public buildings like most industrial and commercial premises are required to meet the conflicting need for both safety and security. Regulations relating to escape from buildings and general safety have made it desirable that doors at exits in public buildings, places of public entertainment, shops