Keep your narrow stile aluminum sliding doors locked with the MS1847 deadlock/latch. These deadlocks come with a self-protecting bolt with adjustable bolt protection for added convenience. A durable, sturdy construction ensures that you bring dependable long lasting protection to your sliding doors. What’s more, prevent damage and accidental lockout with this high quality deadlock/deadlatch hardware. Get in touch with our support professionals at 516-812-0917 for help finding the right deadlock model for the needs of your business.