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—simply drill a 0.47 inch to 0.6 inch round hole in the floor. Safe and convenient: Features a twistable handle for easy locking of the glass door. Suitable for glass doors with a thickness of 0.39 inch to 0.47 inch, with a gap between the door and floor of 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 resists damage and ensures long service life. Simple, sleek 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.