The Cole Hersee 36V Insulated Continuous Duty SPST Solenoid 24080 features a plated steel housing and copper contacts 5/16" -24 thread, hexnuts and lockwashers included. Steel coil, ignition and ground terminals 10-32 thread, hexnuts and lockwashers included. Bracket mounting holes 5/16" x 19/32" (7.9 x 15.1) on 2 13/64" centers (56.0mm). Normally Open Contacts, SPST, One circuit: Off - On. Rated 85A.