Material: It is made of zinc alloy material, durable and long lasting, chrome finish. Rustproof, good corrosion resistance, high precision, durable for a long time of service. The surface is smooth and beautiful . With keys: Each sliding door lock has 2 keys. Keys are universal, keys are removable in locked and unlocked position. Easy Installation: 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 simple. It slides easily over the edge of your door glazed. Security: Add style and security to three-dimensional cabinets and display cases with glass doors. Use this lock to protect your fragile and delicate treasures and collectibles from damage, loss or theft. Wide Application: Ideal for filing cabinet, locker, drawers, tool cabinets, mailbox. Can be used on glass doors. Allowing you to easily lock and protect personal items. Also suitable for a range of housings for reptiles or display cases / glass display cases.