V-Probe, 64ch, 100µm electrode spacing, 50mm 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. Site 2 is not working. Rotated connector. Pig-tail is 50 mm long, there is an additional 2 mm long, 1.1 mm dia reinforcement tube.