The Dura-Stick electrodes are compatible with a wide range of TENS machines for all programmes and uses. A strong adhesive back ensures the electrodes remain at the required site while also ensuring optimal levels of comfort. The electrodes are available in either square or rectangle to allow for different application site conformations. The electrodes are incredibly versatile and suitable for those with sensitive skin. Can be used with most TENS machines and are available is packs of 4.