Prime-Line Sliding Window Security Lock 4 Pack – Aluminium & White

This Prime-Line U 9819 Sliding Window Security Lock is designed to enhance security and ventilation control for horizontal sliding windows. It effectively secures windows in both closed and partially open positions, allowing you to enjoy controlled airflow while adding an extra layer of protection against potential break-ins. The thumb turn screw mechanism tightens firmly onto the window track to restrict movement, ensuring that your windows stay secure without permanent modifications. Constructed from durable aluminium with a natural finish, this lock maintains a low-profile appearance while offering reliable everyday performance. Installation is straightforward and requires no tools, making it a suitable choice for homeowners, renters, and temporary security needs. Each lock is designed to fit window rails up to 1/8 inch wide, so it’s important to verify your measurements before purchasing to ensure compatibility. Product Dimensions: 0.5 x 1 x 0.44 inches **Variations:** – **Aluminium (4 Count):** £5.39 – In Stock – **White (4 Count):** £6.19 – In Stock