V-Probe, 64ch, 100µm electrode spacing, 51mm total length(43mm; 640µm dia reinforcement tube); 320µm probe dia; 2x CON/32m connector interface; 490µm tip to 1st site; no jumpers, tie ground and ref to reinforcement tube. There are two connectors on separate pigtails. Channels 1 and 17 are both connected to site 17. Channel 12 of the connector two is connected to channel 1 of the connector one. Connectors not rotated.