A small PCB mounting reed sensor 22.86mm x 6.73mm x 4.57mm(0.900" x 0.265" x 0.180mm) with a choice of normally open, normally closed or change over contacts.
A smallplastic barrel sensor with a 5/16" x 24thread, 38.1mm (1.500") long with a choice of normally open, normally open high voltage, normally closed or change over contacts.
Ahigh temperature flange mountingreed sensor 28.57mm x 19.05mm x 6.35mm (1.125" x 0.750" x 0.259") with a choice of normally open, normally open high voltage, normally closed or changeover contacts.