Feature: Made of high-quality zinc alloy, smooth, rust-proof, and durable. Suitable for 5-8mm thick frameless glass and tempered glass. Easy-to-use lock and key with mounting pads to protect fragile glass, eliminating the need for drilling. Two different mounting options for single and double doors. Security and anti-theft Solid round lock tongue controlled by ignition keys, you can install it on the door to prevent thieves from entering. Wide application It applies to family homes, swing doors, office doors, hotel bathrooms, display cases, and much more. Specification: Material: Zinc alloy Suitable glass thickness: 5-8MM 【Quick and easy to install】 The lock and keys come with a mounting pad to protect your fragile glass, and you don't need to drill a hole, so installation is quick and easy. It easily slides onto the edge of your glass door. 【Protect your collectibles】 If you have a beautiful antique or vintage teacup, or other collections, you can use this lock to protect them from children, guests, or others, so that nothing is damaged, lost, or stolen.