Strong and sturdy: Made of high-quality stainless steel, it resists rust and corrosion. The keyless design makes it easy to secure the glass door and prevent it from being opened. Beautiful and elegant, installed on the underside of the door. Easy to install, no need to punch holes in the glass; just drill a 0.47 inch to 0.6 inch round hole in the ground. Safe and convenient: The door lock features a twistable handle for easy locking. Suitable for glass doors with a thickness of 0.39 inch to 0.47 inch, and a gap between the door and the ground of 0.2 inch to 0.4 inch. Note: This lock only fits glass doors with a thickness of 0.39 inch to 0.47 inch. Please check your glass door's thickness before purchase. Polished finish, not easily damaged, long service life, simple and elegant design, 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.