The file name gives it away, but oh well...don't cheat! Hint: its a controller for a console, but the only pictures I could find of the console had the name on it. Used to love playing my dads when I was young, Shark Shark was the best.
I copied the url and pasted it in a new window to see it. Here it is: Hint: Pretty easy one for anyone over 45!
Im not seeing it in Firefox so I opened IE and there it was. Hmmm... Thats a good one Red! Not sure when they discontinued the product that needed those things but I would guess mid-late 70's?