Cole Hersee Push-Pull Switches Noncorrosive construction moisture repellent insulators. Brass case, stem, terminals and mounting hardware. Heavy duty construction for 6-36 VDC applications. Mounting stem 3/8" diameter, 1-1/4" long for panels up through 1" thick except where noted. All knobs screw-on type, 10-32 thread. One Circuit Switches: Normally "Off" SPST. Two positions: Off-On Knob face diameter: 3/4" The gasket sealed case on this switch protects it against moisture and dust. Chrome plated brass knob and face nut. Knob face diameter 7/8". Mounts in panels up through 3/4" thick.