Generic Universal Safety Key Magnetic Lock For Electric Treadmill Jogging Exercise Running Machine Red

Treadmill safety key:It can work easy and quick on most treadmills requiring a round treadmill safety key
Strong Clip:It can easily clamp to any part of your clothing and it’s strong to hold
Size:Cord Length: 81cm,Diameter of magnet shell: 2.2cm,Diameter of magnet: 1.5cm
Fits for most treadmill:Fit to a wide variety of treadmill brands