The product is made of metal and not too tight. There is sheet about 1.5 mm thick and really robust. It acts as a German apprentices would produce these components. The only drawback could possibly upset the delicate hands is the fluted Grif, this has fairly small nub tip. But otherwise flawless workmanship. If you want the supplied spikes wächseln, you need a pair of pliers. If a hobbyist, however, not stop and not be a problem. The einstelbarkeit is great, through two quite prezisse thread allows the underbody of the clock fix supper and then slipping does not occur.
If not rust the metal me for some reason way the Uhrenöffner will my life do not break.