Treadmill Universal Safety Key For All Nordictrack, Proform, Image, Weslo, Reebok, Epic, Golds Gym, Freemotion, And Healthrider TreadmillsThis is a round treadmill universal magnet replacement safety key.Used on these following Treadmills including NordicTrack, Proform, Image, Weslo Cadence, Reebok,Epic, Golds Gym, Lifestyler, Icon,Reebok, Freemoti..