This is a treadmill stop lock. Please check your treadmill’s stop key.
The treadmill is equipped with an automatic stop device. If the stop key is placed outside the sensing area, the treadmill will immediately halt and emit a beep to help prevent accidents during exercise.

Specification:

Line length: 100cm
Round case size: 3cm
Activity: Fitness, running and jogging.

Package includes:

1 x Running stop key

Notes:

1. Please allow slight chromatic aberration in the photo
2. Due to manual measurement, the size may deviate