Defender Security U 9800 1/4 In., Extruded Aluminum, Thumbscrew Window Lock (2 Pack)

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Defender Security U 9800 1/4 In., Extruded Features

• Compatible with both horizontal and vertical sliding windows

• For use with older style, metal framed windows

• For use with sliding windows that have a maximum of 3/16 inch thick frame fins

• Made of heavy-duty extruded aluminum with steel thumbscrew

• These sliding window thumbscrew locks come aluminum in color

About Defender Security U 9800 1/4 In., Extruded

Product Description 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. From the Manufacturer This window lock is constructed from heavy duty cast aluminum. It utilizes a single thumbscrew to mount onto your window track. It helps to securely lock your sliding windows in a closed or ventilating position.