Check the listing for details. 2 MULTI-USE RUBBER CARBON ELECTRODES for CHATTANOOGA INTELECT LEGEND STIM SERIES. Color: RED, Condition: New. Listed at 26.99 USD. WILL NOT WORK with small TENS UNITS SHIPS THE SAME DAY with FAST FIRST CLASS USPS SHIPPING !!!TOTAL - 2PS, RED, ROUND 3" CHATTANOOGA RUBBER CARBON MULTI USABLE ELECTRODES ARE COMPARABLE WITH CHATTANOOGA INTELECT LEGEND STIM SERIES ELECTROTHERAPY COMBO UNITS - WILL WORK ON ALL CHANNELS #1, #2, #3, #4- WASHABLE & RE-USABLE - Highly flexible with uniform conductivity over the electrode surface- Backing keeps straps clean and provides extra durability- - Non-adhesive - - Conductive spray or water is highly recommended for longer reusability & better conductivity - - Slightly pliable which helps them conform to the body for maximum treatment area- Used with standard pin tip connector (0.08 tip pin)- Soft and pliable to conform to the body- Great Conductivity THIS ITEM IS FDA APPROVED