TOLEDO Patio Door Silver Security Bolt TDP02-S - The Home Depot

This flip-style lock secures your sliding glass doors against each other. Locks mounts on the outside door and blocks the path of the inner door. Includes keepers and fasteners.

Barton Kramer Aluminum Flip Lock for Sliding Glass Door 166

Sliding Door Lock for Window Glass Patio Doors : Silver : Toledo Locks' Best TDP-02S (Keyed Alike Yale Keyway) : Tools & Home Improvement

TOLEDO Patio Door Security Bolt TDP02-W - The Home Depot

Prime-Line Push-In Sliding Door Keyed Lock, 1 in., Diecast and Steel Components, White Painted Finish U 9862 - The Home Depot

This chrome plated patio door lock with key is designed for sliding glass doors and is keyed for outside access. It has an upward locking movement

Chrome-Plated Patio Door Lock with Key

Steel - Sliding Door Locks - Sliding Door Hardware - The Home Depot

This high security loop lock is constructed of solid steel and features a 2-1/4 in. reach. It engages into a diecast keeper bracket, and it is for use

Prime-Line 2-1/4 in. Nickel Plated Steel High Security Loop Lock for Left Hand Sliding Patio Door U 10537 - The Home Depot

This sliding glass door lock features a downward locking mechanism. It has a 6-5/8 in. hole spacing to fit most doors needing a downward lock. It features a Nite-Lock and is finished in bronze.

Barton Kramer Bronze Finish Patio Door Lock for Downward Locking 8007B

Prime-Line 28 in. to 48 in., Aluminum, White, Security Bar Lock U 9921 - The Home Depot

Chrome Steel Burglar Nite Pin Our garden products reflects designs that are current or en vogue. It doesn't necessarily reference historical design styles and often provides a feeling of everything in its place. They are named for its high quality, durability, stability and with standing capacity for generations.