MaterialIt is made of zinc alloy, durable and long lasting, chrome finish. Anti-rust, good corrosion resistance, high precision, durable for long service life. Suitable for glass thickness 5-8mm thick, easy to connect to most of display cases. Easy to installLocks 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 reliableUse this padlock for delicate treasures and collectibles against damage, loss or theft. ApplicationSuitable 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. Anti-rust, 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. Strong round lock tab controlled by coupling keys - You can install it on the door to prevent the thief from entering. 5. It applies to family homes, swing doors, office doors, hotel bathrooms, display cabinets and much more. Specification: Material: zinc alloy. Surface treatment: chrome. Color: silver. Type: same key. Contents: 4 glass cabinet locks 8 Key. Note: 1. Please allow 1-3 cm error due to manual measurement. Please only order if you accept this margin of error. 2. The color of the item may vary from the photo depending on your computer"s display and brightness settings. Thank you!