Anal Probe Cylinder Extra Probe:Bi-Polar - 40mm or 50mm): The size refers

or 50mm): The size refers to the internal diameter of the SPT

Harness: We make our harnesses in two sizes

Sizes 40mm or 50mm diameter

You can do this before or after you purchase

or jet black latex (+£35)

Anal Probe Cylinder Extra Probe:Bi-Polar - 40mm or 50mm): The size refersThe 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