looks good on paper, and i'm a pocket tool dork (especially in Ti) but i'm thinking that if the tolerances aren't real tight it's going to round off your nuts. just the 15mm box w/ a 5mm hex in a pocketable package would be nice, but i think i'll wait for a decent sale.

http://www2.knifecenter.com/item/PXMK7PTX01120/