Store › SE-35: Finger Electrodes for GSR/SC & Ground Reference Image 1 of 1 SE-35: Finger Electrodes for GSR/SC & Ground Reference $22.00 Includes 2, 10mm silver chloride electrodes used with snap leads wit soft hook and loop closure. Quantity: Add To Cart Added! Includes 2, 10mm silver chloride electrodes used with snap leads wit soft hook and loop closure.