Check the listing for details. ELECTRODE LEAD CABLES-4WAY(2.5mm) +PADS(8 SM OVAL)for PALM ECHO DIGITAL MASSAGER. Condition: New with box. Listed at 18.95 USD. ELECTRODE LEAD CABLE (2.5mm 4 way Quad type) +PADS (8 SM OVAL) for PALM ECHO DIGITAL MASSAGER This is a nice 4 way Electrode Pad/Cable Combo with 8 Small Oval Electrodes. They are durable and flexible electrodes that are excellent for applying around joints such as wrists or elbows. Oval Pads are Great for application to fingers, toes, or small joints, or direct application. 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. ---Small Oval Pad Measurement are : 30mm x 40mm or 1.18"x1.57" Snap Diameter Connection is 3.5mm ---Each Pair of Pads are packaged in a resealable storage bag. ---Includes 8 SMALL Oval Pads (4 Sets) and 4 Snap Connection 2.