The Sargent SG-8205LNL-26D 8205 Mortise Office/Entry with MicroShield technology. With its innovative, multi-functional lock body, the 8200 Series Mortise Lock, is considered the industry benchmark for all mortise locks on the market today. It is also the strongest and most durable—far surpassing ANSI/BHMA A156.13 Series 1000 Grade 1 standards in independently verified testing—for additional resistance against vandalism and unauthorized entry.