Now this is one cool vintage man tool. A must have for very vintage manly man. It even comes in a leatherette case you could mount to your belt. It has everything, knife, screwdrivers, enlargement glasses, compass, flash light and even a whistle. No makers mark but European made around 1960, probably in Germany. The pocket size instrument measures ca 10 cm or 4 inches long. Check the video for a vintage desk stuff collection!