1.The majority of this commercial door lock hook deadbolt is made of corrosion-resistant aluminum, featuring in high strength, and the lock cylinder made of solid brass, much safer and reliable than zinc alloy lock cylinder. All of these features ensure the safety and longer lifespan2.This storefront door mortise lock hook deadbolt is ideal for sliding doors, framed doors, wooden, glass or aluminium alloy doors with a thickness of 1.37-1.77 in (35-45 mm)3.EASY TO INSTALL & USE: Make sure the backset is 1-1/8 in (measured from door edge to the center of lock cylinder.) and the lock body fits the groove on the side of the door. 360° turn of the key or thumb-turn retracts or extend the bolt, providing maximum security and strong anti-theft performance4.
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