installation requires without speciality tool, features a user friendly that simplifies setup while maintaining antitheft protecting Sleek modern profile seamlessly integrates with contemporary decoration, both aesthetic appeal and reinforced door security through its double materials construction Ideal for households with children / pets and commercial spaces needing frequent access control, combining childproof with heavy type Versatile compatibility extends to warehouse doors, retail shops, and residential, offering universals fitment for wood / metal / glass surfaces up to 2.5 " thickness Premium rotating door latches crafted from resistant aluminum alloys and iron, ensuring long terms durability and reliability security for indoor / outdoor doors in any climate, Manufacturer: Ahmany