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. Add To Cart Added! Includes 2, 10mm silver chloride electrodes used with snap leads wit soft hook and loop closure.