A custom made moulded right angle 3.5mm mono jack plug terminated in two moulded colour coded 4mm plugs, created to connect and of our E-Stim electrodes with 4mm sockets (all of our Premium Range electrodes) to any of our E-Stim control boxes, as well as control units from Folsom, PES and ErosTek, and available in two lengths 1.5M and 4M. If you have units from MyStim or Electrastim and want to connect them to our Premium Range electrodes then we have a TENS to 4mm cable specifically designed for that. If you are looking for a connection cable for self adhesive electro pads, then you will need our 2mm/TENS cable. When inserted the plug will stick out approximately 25mm, (1"), if this is a problem then we suggest you consider our 4mm Low Profile cable option. Supplied with a 3 month guarantee.