TD (4-7/8" x 1-1/4") For use with Mortise locksets with a normally extended 1" deadbolt and a center-lined deadlatch. Compatible Locksets: Sargent (7700 & 8100 series), Yale (8700).
KM (4-7/8" x 1-1/4") For use with Mortise locksets with a deadlatch positioned below the latchbolt. Compatible Locksets: Accurate, Arrow, Best*, Corbin/Russwin, Falcon (1992 M Series), Sargent (7800,...