This patio sliding door loop lock is constructed of a hardened locking bar and a die cast mounting plate and keeper. The locking bar and plates of this lock come finished in a nickel plating and all required fasteners are included. This locking device features a 1-1/8 in. reach which is designed to secure the door to the jamb for increased safety of the home. This sliding door loop lock is easy to install and is used by many. This item is also available in 1-3/16 in., 1-7/16 in., 2-1/8 in. and 2-1/4 in. reaches.