Prime-Line Brass-Plated Steel Window Lock 1 pk

The Defender Security Brass Double-Hung Wood Window Flip Lock mounts to a window's vertical track and allows you to keep your window open securely for ventilation. It is made of brass-plated steel.Flip lock mounts on vertical track to stop window in vent positionWedge flips out of the way to allow openingBrass-plated steel constructionHolds windows open yet secureInstallation screws included