Defender Security U 9819 Sliding Window Security Lock, Economy, Aluminum,(Pack of 4) , Silver
Brand: Defender Security
Color: Silver
Secondary Lock
Fits up to 1/8 In. thick rails
Allows window to lock in ventilating position
Easy to Install
For heavier-duty locks see item no's U-9800, U-9802, U-11127, U-11128, U-9810 or U-9812. Finish by tightening thumbscrew with pliers to securely lock windows in closed or ventilating positions. For non-marring locks see no's U-9820, U-9821, U-10876 and U-10551. For vinyl windows use U-9809 or U-10547