https://gilbert-curran-2.hubst....ack.net/10-van-hook-
https://telegra.ph/If-Youve-Ju....st-Purchased-Hook-Lo
https://blogfreely.net/mouthstart5/a
Types of Deadlocks for Doors Deadlocks with hook bolts are used on sliding narrow stile aluminum storefront doors to increase security and strength of the lock. These locks are double-keyed to give greater flexibility in access control. To accurately measure a new lock for your door, you must first determine the case's depth (or backset). This is the distance between the