Ditch the calipers! Easily punch switches into any of your designs!
http://www.ebay.com/itm/20PCS-LED-Dot-Light-12V-Car-Auto-Boat-Round-Rocker-ON-OFF-TOGGLE-SPST-SWITCH-/281709521115?hash=item41973228db&vxp=mtr
https://www.youtube.com/watch?v=mMWikSgy4bs