Large Tens Unit Patches Electrode Pads for TENS Unit EMS Machine Device Massager 4 Pieces Premium Quality Self Adhesive 4" x 2"<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>[PREMIUM QUALITY] FDA Cleared! [510(k) cleared] electrodes for TENS unit are reusable up 30-40 times with proper care &amp; storage. Coated with long lasting reliable thick gel last longest.</li><li>[Extra Large Size] Tens unit pads are 4" x 2"， largest sizes for the pig tail tens unit patches.</li><li>[Package Quantity] 2 Pairs of Tens unit patches</li><li>[Universal Compatiblity] Our tens device patches are compatible with all TENS， EMS unit with pigtail pins type connectors available on Amazon If you own an EMPI unit machine， a rhythm touch electronic pulse massager to exercise your abs a TENS 7000 or 3000 for estim therapy for pain management It is reported to be better than the pads with come with the package of your TENS， IF， EMS and muscle stimulator combo units.</li><li>[Self-adhering] You do not need to apply any conductive gel adhesive or liquid to stick the electrode patches on your skin - This select feature of our self-adhesive electrode pads allows for the best deep penetration into the muscles for the nerve stim experience and saves patients money that they could use for other medical expenses.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41OhHYTeTLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41tqu3BGL2L.jpg" noproxy>