Model 628Sb Electrode, 2¾" Round, 4/Pk, Sold As Pack Cardinal 261 Cardinal Health Starburst Stimulating Electrodes Cardinal Health Starburst Stimulating Electrodes The Design Incorporates A Patented Multi-Layer Gradient Pattern Providing The Most Advanced Current Distribution System Available. This Unique Gradient Pattern Is Made Of Pure Silver, Known As A Superior Conductive Material And Optimal For Stimulating Electrodes. The New Aloe Vera Hydrogel Has Passed Rigorous Hypoallergenicity Testing And Provides Superior Adhesion After Multiple Uses. Model 628Sb Electrode, 2¾" Round, 4/Pk (090807) (Continental Us Only)Sku: Ndc-10283865_Pk Mfgr Sku: 261Item Id: 10283865Mfgr Id: 191Item Code: Ken Ep85350