2 ELECTRODE LEAD WIRE CABLES (2.5mm Plug) + 4 PADS FOR DIGITAL MASSAGER TENS Lead Cables ( a set of 2 like in the picture)Note: We ask that Please be sure you are buying correct plug size. Plug is 2.5mm Wire Measurement : Wire length : about 1.20m Plug diameter: 2.50 mm Snap Connect Standard measurement diameter: about 3.5 mm (connects to electrode) Electrode Pad Info: 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 4 Pads (2 sets). Set (2 pads) is packaged in a resealable storage bag.