ok i just bought this wrench:
http://cgi.ebay.co.uk/ws/eBayISAPI.d...d01780fff4c572
wow this thing is huge! it must be for a full size car! The 23mm one fits the proline hex but theres no way the wrench is gonna fit in my toolbox lol, plus its way too heavy. I guess I can just screw the hexes on with pliers...