Check the listing for details. 2 Gatehouse Aluminum Sliding Window Locks - 0007120. Color: Aluminum, Condition: New. Listed at 7.79 USD. 2GatehouseAluminum Sliding Window LocksSilverItem Number 0007120Brand New in Original Sealed Retail Package You are bidding on a package of 2 Gatehouse Aluminum Sliding Window Locks, Silver Color. These thumbscrew window locks are constructed of heavy-duty extruded aluminum, and each come with a steel thumbscrew. Window locks like these are designed for use on older style horizontal and vertical sliding windows, manufactured with metal frames. The locks fit over the window frame fins and the thumbscrew locks into the outer face of the fin, which can be no thicker than 3/16-inch. Other versions of this lock are available with non-marring shoes, with larger/thicker frame fin capacity, with dual thumbscrews for double the holding power, and with single and dual Allen head set screws for tamper-resistant installations.Compatible with both horizontal and vertical sliding windows. This item is Brand New in its Original Sealed Retail Packaging.For use with older style, metal framed windowsFor use with sliding windows that have a maximum of 3/16-inch thick frame finsMade of heavy-duty extruded aluminum with steel thumbscrewThese sliding window thumbscrew locks come aluminum in colorIdeal for use as secondary security locks, often used for ventilating or securing windows in closed positionNo tools needed for installationFree USPS First Class shipping with tracking information to the Winning Buyer.All items are shipped the day after I receive your payment, with the exception of weekend purchases, which are shipped on Monday. All items are packaged with a sufficient amount of bubblewrap to ensure a safe, damage-free journey to your home or business.