3-POSITION PUSH-PULL SWITCH is a three circuit switch. Especially suited for multiple lighting circuits such as cabin, anchor and running lights. Three positions: Off--On #1 and #2--On #1 and #3. S.P.S.T. Gasket sealed case protects against moisture and dust. Chrome plated brass knob and face nut. Knob face diameter is 3/4. Mounts in panels up through 1" thick.