The following test from 2008 gives the Brueder Mannesmann M 1255-420 an OK for €15 - make of that what you will.
http://www.selbst.de/pdf/bohrstaender08.pdf it's in German, but with a bit of copy & paste action at http://translate.google.com you might be able to pick the bones out of it.
http://www.selbst.de/pdf/bohrstaender08.pdf it's in German, but with a bit of copy & paste action at http://translate.google.com you might be able to pick the bones out of it.