To many watches are waiting the wonder (somehow getting new pivots or staffs) disassembled in the shelf in small boxes. So i decided to put every other projects aside and make a pivot drill.  First, the dimensions of the tool were determined after measuring pictures found on google  Damn is it tiny! 50x40x10mm brass was drilled through with 3mm drill on a table drill press.  The middle was sawed out to leave 10mm and 12mm wide headstocks. The hole on the 12mm side was reamed to 3