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The FSB Standard Mortise Lock (SML) is a Grade 1 mortise lock manufactured in the United States to meet the stringent demands of high-traffic commercial, institutional, and governmental applications. Built using a heavy-gauge steel case, the lock features a fast field reversible latchbolt and a stainless steel deadbolt. The lock is backed by a 10 year limited warranty.
ANSI A 156.13, Series 1000,
Mortise Locks and Latches, Grade 1