The price / performance ratio to 100%. Absolute quality banana plugs. However, you should look that the insulation from the wire is not too thick. My Oehlbach Rattlesnake 3mm² did not fit purely from behind. But with a little tweaking and "carving" is also. But here are the best plug for the money you can get. Degree because it at 5.1, etc. already can be a fun expensive.