Andersen Double-Hung Window Opening Control Device Kit in Stone Color | WindowParts.com
Safety 1st Window Lock (2pk) - Walmart.com
Lock Kit - Double Hung Windows 9069433 Andersen 400 Series Tilt-Wash Double-Hung Locks & Keepers
Hardware Options | Harvey Windows + Doors
Aoliandatong 4 Sets Adjustable Sliding Window Locks, Security Window Lock Aluminum with Key,Window Stoppers, Adjustable Security Locks, for Child Home Bedroom Double Hung Windows(single hole) - Walmart.com
Window Ventilation Lock
Metal Locks for Windows and Doors Window Sash Locks White ZUONAI 4 Pack Vinyl Window Sash Locks for Double Hung Window Latch Lock Replacement Security for Vertical and Horizontal Sliding Windows -
Prime-Line F 2744 Sash Lock, Single Unit, White – Diecast Construction, White Powder Coat w/ Enamel Finish, Designed for both Single & Double Hung Windows (Single Pack) - Amazon.com
Barton Kramer Yale Ogron White Plastic Single Hung Window Sash Lock (2-Pack) 316W - The Home Depot
Pin on Double-Hung Windows
How To Install Window Locks - The Home Depot
Types of Window Locks
How to Fix a Double Hung Window that Won't Lock - YouTube