This toggle switch mounting plate holds a switch with a .500" mounting hole and rectangular base (SPST and SPDT). The opening in the bottom keeps the switch from rotating while tightening the mounting nut. Holes for mounting are sized for a #8 machine screw.

Creo 2.0 file (.prt) attached for editing purposes.

Used for RV, boat, airplane, automobile, electronics, where ever you might need a toggle switch.