TC20 V2 - 100342 - 2014 Rev. E. Fits the following models below TC10 - 100198 - Version 1.
Sole Treadmill Doctor Fitness Red T Treadmill Safety Key
Life Fitness Treadmill Doctor Battery for The Lifefitness 9500HR Elliptical
Treadmill Doctor Battery for the Lifefitness 91Xi Elliptical
Treadmill Doctor Battery for the Lifefitness 95Xi Elliptical
Treadmill Doctor NordickTrack T 6.5 S NTL506151 Safety Key Part Number 347877 (249347)
Treadmill Doctor Replacement Safety Key for Xterra Treadmills Part Numbers N100003-A5 and 007242 TMD Version