This patio sliding Door loop lock is constructed from steel and diecast components, and it is designed to add increased security to sliding doors. Each loop lock includes a diecast constructed bracket that serves as the rod's base, in addition to a diecast keeper that the loop lock rod engages. This secondary locking device helps to secure your patio sliding door to the door jamb to help prevent forced entry by lifting of door or picking of exterior lock cylinder.

Components of these locks are constructed of hardened steel and diecast components | All components come in a corrosion resistant, zinc plated finish | Designed for use with Patio Sliding Doors, to increased security to your home | Easy to use mechanism | Easy to install with only a few tools