Quick and easy to install: The lock and keys come with a mounting mat to protect your glass, and no drilling is required, making installation simple. It easily slides over the edge of your door glass. Unique key system: Each key is distinct and corresponds specifically to its respective lock. When multiple locks are used, each key operates only its designated lock. This system is designed for glass doors between 5-8mm thick and is compatible with most standard display cases. Protect your valuables: Ideal for safeguarding antiques, vintage items, or other collectibles from accidental damage, loss, or unauthorized access by children or visitors. Suitable for business use: Well-suited for retail environments and home display applications. An effective security addition for storefronts and display units. Enhanced security and style: Provides added protection for glass-front cabinets, display cases, and storage units, securing delicate and valuable items while maintaining a sleek appearance.