Check the listing for details. *BONUS!* REPLACEMENT PADS (10) Large - for Digital Massagers, TENS Snap on. Condition: New. Listed at 12.97 USD. Replacement Electrode Pads for Digital Massager Units and TENS Electronic Therapy Machines These are nice electrode pads that are durable and flexible and are excellent for applying around joints such as wrists or elbows. These pads can be used for areas of the body that are flat, like back or thighs. They are great quality 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. ---Electrodes are Reusable ---They wipe clean with a damp cloth. ---The Measurements are: 3" (7.5 cm) by 1.77" (4.5 cm). Pin diameter is 3.5 mm. ---Includes 10 Pads (5 sets). Each set (2 pads) is packaged in a resealable storage bag.