【Material】Made of zinc alloy, durable and long-lasting, with a chrome finish. Rustproof, with good corrosion resistance, high precision, and durable for a long service life. 【Suitable for Glass Thickness】5-8mm thick, easily connects to most display cases. 【Easy to Install】The locks and keys have mounting pads to protect fragile glass from perforation, making installation quick and easy, and they slide easily onto the edge of the glass door. 【Safe and Reliable】Use this lock to protect delicate treasures and collectibles from 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, with a chrome finish. Rustproof, with good corrosion resistance, high precision, and durable for a long service life. 2. Suitable for frameless glass 5-8 mm thick and tempered glass. 3. Lock and key with mounting mat to protect fragile glass, eliminating the need