VISION FITNESS Magnetic Safety Key 1000219607 Classic Elegant Touch Works TreadmillVision Fitness Classic - T40 - 2012 (TM433 & TM435) Classic - T40 - After 02-01-2014 (TM433 & TM435) Classic - TF20 - 2012 - Titanium Silver (TM432 & TM435) Classic - TF20-03 - 2014 - Titanium Silver (TM432C & TM435) Classic - TF40 - 2012 - Titanium Silver (TM434 & T..