Anal Probe Cylinder Extra Probe:Bi-Polar - 40mm O-rings on the lower section

O-rings on the lower section are removed or added to adjust the length

You can do this before or after you purchase

Simply choose an internal diameter

40mm or 50mm diameter

So choose a diameter of opening slightly less than your erect diameter

Anal Probe Cylinder Extra Probe:Bi-Polar - 40mm O-rings on the lower sectionThe standard Anal Probe Cylinder is Bi Polar having the polished aluminium base ring as one contact and the probe as the other. We also have probes that are themselves bi polar. This gives a potential of three contacts two in the probe and one in the polished aluminium base ring. You can either choose to use two of the contacts or if you have a tri phase cable all three. Supplied with a simple tube harness and a Y hose that facilitates connection to