Check the listing for details. Small Snap-on Electrode Pads (16) for XFT-325 & XFT-502 Digital Massagers. Condition: New without box. Listed at 15.49 USD. Small Snap-on Electrode Pads (16) for XFT-325 & XFT-502 Digital Massagers ---Includes 16 Pads (8 Set) of Non Woven Oval Shaped cloth electrodes, Each set comes in Sealed Ziploc Bag ---Great for application to fingers, toes, or small joints, or direct application ---Professional style microcurrent or TENS Digital Massager compatible pads ---3.5 mm Snap Pin Connection on the Oval Pad connects to your electrode leads ---Each Pad measures 30mm x 40mm or 1.18"x1.57" ---Re-usable pads, they wipe clean with damp cloth These high quality pads are also compatible with digital massagers/leads that connect to 3.5mm snap massage pads. If you have any questions on compatibility please feel free to send me a message and I will be happy to help. Thank you and have a great day!.