The Guadalajara Cylindrical Lock, a Grade 2 model crafted from Brass and Zinc Alloy, boasts a Brass cylinder and Stainless Steel latch and strike. It's designed for doors ranging from 1-3/8" to 1-11/16" thick. Easy to install, it withstands up to 400,000 cycles. The adjustable latch spans 2-3/8" to 2-3/4" and features an anti-burglary design. It comes with keys for Entry/Bedroom and Privacy functions.