The 1500C Complete Electric Strike has a heavy duty, low profile design for latchbolt applications.For all cylindrical and mortise locksets with 3/4" latchbolt. Each Complete Pac conveniently pairs the reliabilty of an HES electric strike with the flexibility of multiple faceplates in a single simple package. The 1500C includes a 1500 strike body and 1LB faceplate kit for latchbolts. Optional Features LM - Lock monitor DLM - Dual lock monitors LMS - Lock monitor and strike monitor DLMS - Dual lock monitors and strike monitor