It provides the ability to assign key code to OEM and end users according to application needs. Lock plugs latch can be replaced after installation. Get easy access control with multiple key code options. Lock plugs can be installed without any special tools and are removed using a special key. The common lock plug configuration reduces inventory requirements, provides on-site customization, and simplifies the ability to assign public key codes across multiple peg styles. Shutter lock styles are not affected by dirt and moisture. Industrial Applications A PK-style or DIN style lock plug can be used for all applications that use a latch compatible.