Yeah...happens like that sometimes. I had to crop your photo down to the twist lock itself and let a photo software 'adjust' image... and then right click to get the google image search. A little kludegy. Coming here was much quicker, I'm sure. Good luck....the prices for that thing are all over the place.
Experience is what you get when you don't get what you want.
"We'll be friends until we're old and senile,....then we'll be new friends."