General description Qrity interior lock is a robust tubular mortise lock designed for exterior doors where keyed entry and security are essential. It features a key-operated deadbolt on the outside and a thumb turn on the inside, providing convenience and security. The lock is made from a combination of brass and stainless steel, ensuring durability and resistance to wear. Technical specifications Material: Brass, Stainless Steel Adjustable latch: 60mm - 70mm / 2 3/8" - 2 3/4" Fit for door thickness: 35-50mm / 1 3/8" Compatibility and accessories Fitting for both left and right-handed doors Includes three keys Installation Rekey technology allows you to rekey the lock yourself in seconds in three easy steps