Check the listing for details. Electrode Massage Pads (30) - for Digital Massager - Compatible with 3.5mm Snaps. Condition: New without box. Listed at 24.39 USD. Replacement Electrode Pads for Digital Massager Units and TENS Electronic Therapy Machines These are great quality pads and come with a thick layer of non-irritating conductive gel that adheres well to your skin, but leaves no sticky residue when the electrodes are removed. ---Pads are Reusable, fit 3.5 mm snap plug to connect ---They wipe clean with a damp cloth. ---The Measurements are: 2" x 3" ---Includes 30 Pads (15 sets). ---Each set (2 pads) is packaged in a resealable storage bag. ---These high-quality pads are compatible with the many types of digital massage machines These high-quality pads are compatible with the many types of digital massage machines that have electrode leads with 3.5mm snap connection.