Security：High quality automatic door locks provide extra security for doors and windows. Adding a lock increases security for once. Quality materials: Made of aluminum alloy, strong and durable, not easy to rust. The special design differs from traditional locks and improves security. Unique design: exquisite and concise appearance, sealed welding, thick base, sturdy lock body, built-in automatic spring mechanism, not easy to break and break. deform, strong and durable. High Quality: The door lock adopts the latest electroplating and polishing technology, and is made of aluminum alloy with glossy surface treatment, so it has the function of moisture and corrosion resistance. The door lock has high structural rigidity, long service life, and is not deformed. Multifunctional, convenient and practical: easy to install and maintain, convenient and practical, widely used in doors, closets, bathrooms, toilets, windows, furniture and pet door locks. Number of pieces delivered: 2 Color: black + white Size: 44 mm lucky meet