The CODELOCKS Kitlock KL15 mechanical combination lock is designed for a variety of locker and cabinet applications. The unit can be easily mounted with the surface trim plate or flush fitted for a sleek look. The KL15 Public is ideal for short term, multiple occupancy applications where the user enters a personal four digit code, which locks the lock. The same code is entered to open the lock, and the lock then remains open ready for the next user. The master key allows for the code to be reset if forgotten.