Features 1、Higher Safety: The key switch box enables easy locking, which will largely improve the safety for storage and working. 2、Practical Use: Allows for wide application on rolling shutter door, garage door and so on, meeting your various needs. 3、Includes Keys: Moreover, the pin tumbler lock comes with keys as well, making the locking and unlocking much simpler. 4、Good Material: Using premium stainless steel material with rustproof painting on bottom, 10,000 times mechanical life. 5、Easy to Install: Comes with a compact size and a light weight as well, the easy installation can be quickly finished. Specification Item Type: Key Switch Box Product Material: Stainless Steel Scope of Application: For rolling shutter door, garage door. Package List 2 x Key Switch Box 4 x Key