Material It is made of zinc alloy, durable and long lasting, chrome finish. Rustproof, good corrosion resistance, high precision, durable for long service life. Suitable for glass thickness 5-8mm thick, easy to connect to most showcases. Easy to install The locks and keys have mounting pads to protect fragile glass from punctures, so installation is quick and easy, and slides easily to the edge of the glass door. > Safe and Reliable Use this padlock for delicate treasures and collectibles against damage, loss or theft. Application Suitable for retail and home applications, adding style and security to 3D cabinets and display cases. Features: 1. It is made of zinc alloy, durable and long lasting, chrome finish. Rustproof, good corrosion resistance, high precision, durable for long service life. 2. Suitable for 5-8mm thick frameless glass and tempered glass. 3. Lock and key with mounting mat to protect fragile glass, eliminate the need for drilling. 4. Solid Round Locking Tab Controlled