Applicability: This sliding door window lock is suitable for sliding doors and windows. Material: Made of zinc alloy, with anti-oxidation properties, waterproof and rust-proof, and long service life. Two installation methods: one is drilling installation (hole cover provided), the other is drilling-free installation (fixing plate provided). Easy to use: Each sliding door lock comes with 2x keys. When locked, press the lock directly to lock and use the key to unlock. Package: Includes 2x white sliding window locks, 4x keys, 4x covers, 4x fixing plates, 12x screws. Applicability Suitable for sliding doors and windows Material Zinc alloy Colour White Type Window Lock Brand Unbranded/Generic MPN MEM94927250060 EAN 4894927250060 .