Very good tool, with 2 size settings - small and large, and with pressure adjustment. It presses and compresses as needed automatically in some way. In very small diameters, it leaves some marks because the way it closes is with multiple metal plates, and they cut the diameter unevenly. I am never satisfied with anything - depending on the case, I use this or the other with a completely flat pressure plate.

So both this and the other with the flat plates, all are needed and I use them simultaneously.