[Enhanced Security] Prevents unauthorized access with a strong cam action locking mechanism for sliding windows. [Easy Installation] Quick setup with included screws and flat bases using basic tools for a secure fit. [ Materials] Constructed from durable zinc alloy and aluminum alloy for reliable performance. [Sturdy Construction] Features an anti-pry for added protection against tampering and wear. [Versatile Use] Ideal for single hung and double hung vertical sliding windows in homes or offices., Manufacturer: Zerodis