Rennsteig mechanic s metal working set rennsteig werkzeuge 426 017 this mechanic s metal working set from rennsteig includes 5 drift punch inserts 3 to 8mm 5 parallel pin punch inserts 3 to 8mm 1 4mm centre punch insert 4 soft brass parallel punch inserts 4 to 8mm 1 spanner 8 10mm and a 2 component handle adaptor rennsteig 426 017 mechanic s metal working set