Below are the re-order numbers for the electrodes that are utilized most frequency by Werner.
2-contact (used for ground): NS02R-KS10X-000
4-contact: TS04T-SS10X-0C5
6-contact: TS06T-SS10X-0C5
8-contact: TS08T-SS10X-0C5
10-contact: TS10R-SS10X-000
12-contact: TS12R-SS10X-000
20-contact grid (5×4): FB20C-SS10X-000
64-contact grid (8×8 – wires center): FG64C-SS10X-0CA
64-contact grid (8×8 – wires on side): FB64C-SS10X-0C5