U-Probe, 16ch, 15µm elect dia, 200µm electrode spacing, 76mm total length(28mm; 640µm dia reinforcement tube); 185µm probe dia; CON/16m-V-IG-RA connector interface; 660µm tip to 1st site; Channels 1, 2, 3, 5, 6, 9, 10, and 11 not working, connector rotated 90 degrees, internal grounding, small crack on the tube.