Prime-Line 1" Extruded Aluminum Sliding Window Economy Lock

These sliding window locks are constructed of extruded aluminum housings and steel thumbscrews, and they come in a milled aluminum finish. These locks are manufactured to fit on older style, metal framed windows - usually of single pane glass. These locks will not work with modern vinyl windows, as the locks have only a narrow 1/4-inch opening. The thumbscrews of these locks can be tightened with pliers to securely lock windows in their closed or ventilating positions. These locks are easy to install and...