S-Probe, 32ch, stereotrode configuration; 100µm interelectrode spacing, 75 intraelectrode spacing; 125mm total length(25mm; 640µm dia reinforcement tube); 300µm probe dia; 1x CON/32m-V-connector interface; 890µm tip to 1st site; fluid channel between sites 22/22 and 28/30. Polished flat.