Does NOT fit Omron TENS units! OUDYSCARE Best Replacement Electrode Pads for Digital Massager Units and TENS Electronic Therapy Machines Our Large rectangular TENS electrodes pads are Premium-Quality , there are 20 Pads (10pairs) electrode pads which measure 3" x 1.77" Our TENS electrodes snap pads are self-adhesive, very flexible, conductive snap electrode pads do not require additional creams or gels TENS Replacement Electrode Pads for TENS Unit Machine - Relief Back Pain - For Massage Electric Pulse Muscle Stimulator and Muscle RelaxerFeature Over-the-Counter (OTC) , Latex-free and non-irritating Self-adhesive, Reusable TENS electrode pads. Product size: 3"x 1.77" Palm shape , Snap 3.5mm button Connector UNIVERSALLY-COMPATIBLE For all TENS/EMS unit use Snap 3.5mm Connector, Not for Omron ? HiDow ? TechCare ? EliKing ? PCH ? IQ Massager-ALL Models ?Irest ?iSmart ?Magic Massage ?Magic Masseuse ?MassagePod ?Palm Massager ?Echo ?Therapulse ?Massageo ?Tony Little ?Massage Mouse XP ?Smart Relief Package Includes: 20 Pads (10pairs) -Palm Snap 3.5mm TENS unit self-adhesive electrode gel pads