Anal Probe Cylinder Extra Probe:Bi-Polar - 40mm So choose a diameter of

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

Sizes 40mm or 50mm diameter

40mm or 50mm diameter

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

Anal Probe Cylinder Extra Probe:Bi-Polar - 40mm So choose a diameter ofThe 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