This is a one piece tool called The RoBoT TooL. The designer found a P-38 can opener in a garage sale box of green soldiers in the 1970s, and has been gadget crazy ever since. It is rare among its own kind because it opens both cans as well as bottles with the same jaw; there's a safety feature on the opener tip. Modified by Mr. Whippy to remove link.
As for comparable tool prices, I have not seen another tool with nine distinct components for less than mine - please list such items. Box wrenches with various sizes are still one feature. I looked at many other items before pricing mine. Except for the large companies reviewed here, I thought that this would be where folks who made their own tools had discussions.
To Syph007, I'm curious to see one-piece tools that you've made. The folks who now have my device tell me how much they love it.