Mininch WRENCHit

In the same way that their Tool Pens cycle through bits, Mininch’s WRENCHit cycles through interchangeable wrenches. The slim tool is made up of a SUS 420 stainless steel sleeve that holds up to five wrenches, each made of the same metal and engraved with their size and spec. To cycle through, pull out the bit in the tail end and push it smoothly into the front, in turn pushing the other four bits down a little… (via )