HM-OPTION HES  faceplate for use with Mortise locksets with a 1" deadbolt with a deadlatch positioned below the latchbolt.  

All of the 1000 Series options are interchangeable.  The option kit contains all of the necessary parts to convert the 1006 into the particular model, i.e. 1006 + HM option = 1006HM.

HM (4-7/8" x 1-1/4") For use with Mortise locksets with a 1" deadbolt with a deadlatch positioned below the latchbolt. Strike will not release when deadbolt is extended. Compatible Locksets: Accurate, Best (45H & 47H, and 34H-37H), Corbin/Russwin, Falcon, Sargent (7800, 8200, & 9200 series), Yale (8800). ANSI/BHMA Numbers: #E09391, #E09392, #E09393, #E09331, #E09332, #E09333. When the deadbolt is projected manually the electric strike will not release. When the deadbolt is retracted, access is accomplished by electrically releasing the keeper.