Fine surface treatment: The whole round glass door lock has fine workmanship, and the surface is evenly plated and beautiful. Fine selection of materials: This glass door lock is made from high quality zinc alloy materials, which has the advantages of water resistance, rust resistance and oxidation resistance, and has a longer service life. Precision molded solid lock body, complex key teeth are more secure. Product features: The silver round glass lock is equipped with 2 precision electronic keys and the elongated door lock handle can be used for both. Product size: see image for product size! Product application: 4-8mm glass; glass aperture: 25-26mm can be used; the glass must be drilled for installation! Scope of application: glass showcase lock, wine cellar door lock, mobile phone jewelry cultural relics exhibition counter lock , single cabinet door lock. In addition to being used to open and lock the door, the knob can also be used to shake hands.