Check the listing for details. 8 PC SQUARE REPLACEMENT ELECTRODE MASSAGE PADS-For GYM FORM PLUS AB EXERCISER. Condition: New. Listed at 12.79 USD. SQUARE REPLACEMENT ELECTRODE MASSAGE PADS INTENSITY 10 COMPATIBLE TRUMEDIC, GYM FORM PLUS, TENS 3000 AND TENS 7000 COMPATIBLE AS WELL 5X5CM (2X2 INCHES) ALSO COMPATIBLE WITH MAGIC TOUCH PRO SERIES 104 AND 103 SERIES These are nice fabric good quality 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: 5 cm by 5 cm or about 2" by 2". Pin diameter is 2 mm. ---Includes 8 Pads (4 sets).