High-Quality Materials: The glass door lock is made of zinc alloy, which makes it durable enough. This sturdy and rust-proof lock will withstand years of use without worrying about being easily damaged. Suitable for Most Glass Doors: The glass door locks are suitable for 2-8mm glass. Easy to Install: The sliding glass door lock is very easy to install and easily slides onto the edge of the glass door without the need for drilling. The fixing screws and plastic spacers keep it firmly on the glass and will not scratch it. Separate Locks: Each lock has a different key, and one set of keys can only open one lock; This provides excellent privacy protection and the closed door keeps children away from unnecessary danger. Multi-scene: These display cabinet locks are perfect for homes, shops and more. With this window lock, you can secure your collection cabinet, retail cabinet or display cabinet; this lock is essential for the smooth running of any business with display cabinets.