Probably keep only speaker cables with the maximum possible cross section really safe because the wire bundle is only clamped. If the bundle too thin, so it does not jam. In an alternative product, the cable is diversified over a collar and clamped better, no matter what width has. One tries in this Oehlbach Flex Pin further insert and turn the fan cable, the wires have to be pressed into the thread, which can cause damage to the thread or the veins just shears. This Flex Pins also have such a large opening in the back that they can not hold any banana plugs, if they are to serve as an adapter for old amplifier.
The delivery of this article consisted of 4 connectors, 2 red and 2 with black trim. Shown here is just one connector, which makes obvious to a lot of confusion. It would be desirable if the article text would be changed in this respect.