1 Meter of Conductive Rubber Tube with Clips - For TENS Estim Joint Physical Therapy, Tubing Erostek- 4mm OD x 1.75mm ID 

This is a Multi-purpose tubing that is also great for hand / joint finger wrap, pain control relief, arthritis flexible wrap. 

Includes: 
 
Tube is cut to fit if desired.
Requires Tens Cable with 2mm Pin Leads (NOT INCLUDED)