This tool resembles a transformer toy crossed with an archaic dental instrument. Don't let that put you off though. It has eight tools integrated within it - a Phillips and flat screwdriver, precision pliers, wire cutters, wire strippers and sheet shearers with ruler. Plus at 39g, it's light enough to fit on your key ring if you really, really wanted to. Guaranteed for life - £10.99
Related: Pink Glovebox Toolkit I Swiss Card - Compact Tools I Credit Card Sized Flat Spanner for your Purse
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From: Top 10 health and fitness gadgets of 2012 (so far)