(5) - 4/Packs 2.00 X 3.50" Reusable Self Adhesive Electrodes = (20) Total Electrodes By Wholesale Electrotherapy
(5) - 4/Packs 2.00" x 3.50" Cloth Rectangle Electrodes = (20) Total Electrodes. Reusable long lasting electrodes used for TENS devices and other electrical stimulation devices.