Use the box for our hobby workshop - so gelegendlich rather little. Various tappers were already several times successfully. Visually all parts "TipTop" - no burrs, no crooked parts, perfect surfaces, clean-cut threads - The box is halt ne Blechkiste but stable and perfectly adequate for this purpose. Each cutting tool is "HSS". The box is also available without the parts from falling out. But lying Storage here is better because a drop is possible because of the shells Standfäche.