This key is a standard size for most ProForm and Weslo models since 1996 thru 2003. Some newer models use a magnetic key that is different. Is also the standard key for many other late model brands.

• For Proform and Weslo Treadmills


• Fits many Proform Weslo Image Older NordicTrack HealthRider and some Lifestyler models.


• Part Number 119038

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Treadmill safety key

Safety key was fine...except I purchased treadmill without book and it was not the size I was looking for. I took a chance at the size so my own fault.More detail ...