ASSA High Security Products
ASSA's family of high security products can accommodate a wide variety of both institutional and residential applications. We offer a full line of cylinders designed to retrofit the leading lock manufacturers' locksets along with our own stand alone deadbolts, padlocks, and auxiliary locks. ASSA locks employ a patented dual locking mechanism that renders the lock virtually pick proof. This unique operation has allowed ASSA to develop a patented key control system which protects against unauthorized duplication of keys and that can be master keyed into a security system to fit any customer's needs. All ASSA high security products are listed under U.L. 437, a set of tests used to determine a product's physical resistance against various forms of attack