Prime-Line U 9820 Non-Marring Sliding Window Lock, Aluminum Finish (2 Pack)

Product Description This is an extruded aluminum lock with no-mar vinyl insert to protect track of metal horizontal sliding windows. Finish by tightening thumbscrew with pliers to securely lock windows in closed or ventilating positions. For vinyl windows use Prime-Line parts U 9809 or U 10547. Exercise caution and do not over tighten these locks and cause damage on your window track. From the Manufacturer This window lock is constructed from extruded aluminum with a no-mar vinyl insert to protect your track. It securely locks your window in a closed or ventilating position. The easy to install design fits wide and narrow track types.