The clean cut is probably the main feature; quiet concentricity is just as important. I have to work with reducing rings because the Festo devices have a 20-Up, the saw blades 30 but he punched holes. The reduction rings are tapered fit almost pushed by hand, the last remnant brings tightening. At this price I can, without ever having to leave sharpen a blade, install a new and move on. This class of tool is not aimed at the professional, this much is clear. A professional will these blades do not buy. Otherwise ... see title! The price / performance ratio is very good.
Even the packaging is to be commended. The box with the clear window reveals what lies inside. In addition, the sharp carbide teeth are coated with a soft plastic ring that can be removed easily. The deepening of the Reducer is good, so these things do not fly around in the box. Compared with other products, where one is offered a folding pocket made of cardboard for a lot of money, I think that's pleasing and also for transporting the sharp leaves a good solution.