The scissors are reasonably stable and cut exactly. The cranked contact surface is too small, you have to be very careful that the raw is exactly in it, otherwise it will be cut diagonally. Negative - scissors is a model from the lowest price segment, therefore no good workmanship can be expected. For the price but OK Unfortunately, no spare blade and also here in the program, because the blade is cut a lot of pipes, quickly dull. Suggestion: Include spare blades in the catalog.