2 Pack Sliding Patio Locks - They are made of tough zinc alloy, making them very strong and resistant to corrosion. Suitable for most hinged or sliding doors and windows.
Coming with Keys - This key-operated sliding window lock kit comes with 4 keys, which means you need a key to open the window, it was a good way to prevent sliding windows from being opened – either from outside by unwanted visitors or from inside by your kids.
2 Installation Methods - Package included 4 metal plugs and 4 metal mounting plates. You can use a power drill to make locking hole for provided metal plugs, also you can using screws to fix the metal plate.
Suggested Tips - A: The punching hole should below the edge of the window more than 20mm. B: Please fit the sliding patio lock top and bottom of your door or window for maximum security.(If you have any questions about our products, please feel free to contact us through Amazon, we will reply you within 24 hours)
What You Get - 2 x sliding window locks, 4 x keys, 4 x metal caps, 4 x metal fixed plates, 12 x screws, 1 x user manual.