Only recommended for the occasional handyman has no desire to spend money sinful. For the price this part is very well stocked. Cutting back there at the Schrauberbitz that are ratzfatz around. But for this I bought later me the popular sizes in high-quality and now have a class usable range. Buy recommendation for all who want what you have for minor repairs and handicrafts in the house. Professionals and users time to laugh himself to death probable.