We understand that the compatibility between lock and locker must be seamless. We have your solution – the Lock Locker Certification Program™. Master Lock and Penco Products have developed an ongoing engineering collaborative and testing program, designed to help ensure the locker purchaser receives a high quality, seamless, locker locking solution.

Annual Compatibility Review

Built-In Combination LockVerification testing and design review by engineers ensuring compatibility between locks and lockers.

Periodic Production Spot Checks

Penco performs periodic operation compatibility testing of locks on actual locker orders.

New Product Validation

Ensures that new lock and locker products work as intended before introduction, providing seamless locker locking.

Annual Design Conference

Master Lock and Penco engineers meet to support, collaborate, and assist in continuous improvements.