Storefront Mortise Door Lock – Security, Durable Construction, and Versatile Fit Key Features: Heavyduty fiveply laminated steel bolt with concealed hardened steel pin for maximum protection against forced entry. Reliable swing deadbolt design engineered for strong antitheft performance and longterm use. Precisionbuilt to fit backset of 11/8 inches (measured from door edge to center of lock cylinder). Compatibility and Applications: Designed for doors with thickness between 1.37 and 1.77 inches (35–45 mm). Ideal for sliding doors, framed doors, wooden doors, glass doors, and aluminum alloy doors. for commercial storefronts, retail entrances, and exterior access points where security is a priority. Standard 44 mm (1.73 in) commercial and exterior door thickness supported. Easy Installation and Use: Ensure lock body matches the groove on the door's side for proper fit. Smooth 360degree key or thumbturn operation to retract or extend the bolt quickly. Straightforward setup suitable for both professional installers and skilled DIY users. Quality Materials for Longlasting Performance: Lock body constructed from corrosionresistant aluminum for strength and durability. Solid brass lock cylinder offers enhanced safety and reliability compared to zinc alloy alternatives. Built to withstand heavy use in busy environments without compromising security. Example Use Scenarios: 1. Securing a retail storefront glass door to prevent unauthorized access after business hours. 2. Protecting a sliding aluminum patio door in a commercial or residential setting. 3. Reinforcing a framed wooden office entrance for both privacy and theft prevention. This storefront mortise door lock provides a durable, versatile, and secure solution for a wide range of door types, combining robust materials, precise fitment, and dependable locking performance.