Item Type: Electrode Wire Material: The inner core is copper wire, and the outer material is PVC Color: Black Plug Diameter: Approx. 2.35mm / 0.1in (the end used to connect the main body of the therapeutic instrument) Button Hole: Used to connect electrode pads or shoes, etc Wire Length: Approx. 1.5m / 4.9ft Function: The electrode wire can simulate acupuncture, Tuina, massage, hammering, scraping and other effects by cooperating with the therapeutic instrument Scope of Application: Used in digital treatment machines, slimming massagers, TENS machines, other health equipment 1¡¢Activate Blood Circulation: Use with massage sticks and TENS massagers, can promote blood circulation and relieve soreness, beneficial for individual health. 2¡¢Multi Function: Electrode lead wire is combined with the therapeutic instrument, which can simulate the effects of acupuncture, massage, hammering, scraping, etc. 3¡¢TENS Wire Set: This electrode wire is suitable for most therapeutic and physiotherapy instruments. 5pcs of TENS wire are available, meet your use and replacement needs. 4¡¢Portable Design: Light weight and in small size, easy to store and carry, can be easily put into your bag, suitable for portable treatment device, easy to connect and use. 5¡¢Copper Wire And PVC: The inner core is copper wire material, not easy to damage, long use time. PVC outer shell, safe and eco friendly, flexible and durable.Please allow slight error due to manual measurement. Thanks for your understanding.5 x Electrode Wire