The Prime-Line U 9800 Security Lock provides enhanced safety and peace of mind for both sliding vertical and horizontal windows, securing them effectively. Featuring a thumbscrew window lock mechanism, this lock allows for simple, tool-free installation and adjustment. Made from heavy-duty extruded aluminum with a sturdy steel thumbscrew lock, this window thumbscrew lock ensures lasting durability and reliable performance. Install quickly and easily without any tools. Ideal for older-style metal-framed sliding windows and fits frames with a maximum thickness of 3/16 inch. Suitable for metal window frames with fins up to 3/16 inch thick. For further dimensional information, please see the line drawing and compare with your specific window needs.
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