Boat motor kill switch key

This is a small outboard motor kill switch key, however, it will fit any kill post which is about a centimeter in diameter and 5mm out. So I suspect it will fit a lot of wave runners and jetski's as well. Updated with a stronger back and slightly more forgiving angle for insertion.

9/15/2015 update: A couple of people have asked what this will fit on. I made it for a Nissan outboard, but have used it on a Polaris Jetski, and with a bit of heat and some time with a pocketknife used one on a