if you just need the tool for this job why not find a bolt with a corresponding head size to fit the hex and weld or braze a nut on its shaft. that way you can place the hex head in the socket of the part to be removed and use a wrench on the fixed nut to undo. mike m audi 4ooos x2. Cyclops Bicycles Ph. (604) 545-5644 Fax (604) 545-1167 michael_mulholland@mindlink.bc.ca