Strong and sturdy: Made of high-quality stainless steel, it resists rust and corrosion. The keyless design allows for easy securing of the glass door to prevent unauthorized opening. Beautiful and elegant: Installed on the underside of the door. Easy to install without drilling holes in the glass; requires only a 0.47 inch to 0.6 inch round hole in the ground. Safe and convenient: Features a twistable handle for easy locking of the glass door. Suitable for glass thickness between 0.39 inch and 0.47 inch, with a gap between the glass door and the ground ranging from 0.2 inch to 0.4 inch. Note: This lock is designed specifically for glass doors with a thickness of 0.39 inch to 0.47 inch. Please verify your glass door thickness before installation. Polished finish: Durable, resistant to damage, long service life, with a simple and elegant design that is easy to install and maintain. Suitable for use on glass doors in homes, hotels, bathrooms, shops, offices, warehouses, balconies, and other commercial or residential spaces.