Neurotrac Replacement Lead Wires. Will Fit ALL Neurotrac Devices. Including Neurotrac TENS, Neurotrac SPORT, SPORT XL, Neurotrac Simplex, Neurotrac Pelvitone, Neurotrac Continence, Neurotrac REHAB, Neurotrac Myoplus 2, Myoplus 2 pro, Myoplus 4, Myoplus 4 Pro, Neurotrac Multitens