Not a high price, and speed control is a virtue. As the RPM decreases, the power also decreases. I don't use it often. But! Everything works, and works, for the second year. Certainly! Nozzles, you need to buy good ones. Established. Like a probe. For beginners. Its pros: I have been working for the second year, and apart from the clamping of the cartridge, there are no complaints. Nothing broke. Got cons: Very bad chuck key. Immediately replaced it with a normal one.