For more than 90 years, this deadbolt has been creating the strongest and most technologically advanced security products for homes, and multi-family, commercial, and institutional buildings. We have been meticulous designers, painstaking engineers, and proud craftsmen. From durable mechanical locks to comprehensive electronic access control solutions and biometrics, this deadbolt protects at critical moments–when property and personal security are at stake. In homes, public buildings, and the workplace, at the end of the day, this deadbolt stands for one thing: Strong.