Safety Key Treadmill,Treadmill Emergency Stop Universal Magnet Security Lock Running Machine for Most Treadmills Red 3.1cm

Material:Made of ABS plastic, braided rope, strong magnets and springs, which not only look good but also enhance the strength and safety of the treadmill. Size:Plastic clip: 5.8 * 2.8cm, magnet housing diameter:3.1cm,magnet diameter: 3cm， nylon cord: 1m. Automatic Protection：Treadmill Safety Key is the automatic protection device of the treadmill. The treadmill will stop working immediately when the safety switch exceeds the sensing area of the treadmill. Treadmill safety key: Magnetic work, can work easy and quick on most treadmills requiring a round treadmill safety key. It can easily clamp to any part of your clothing and it's strong to hold. Wide Application:The diameter of this treadmill safety lock is 3.1mm, please make sure the size of the treadmill before purchase.The size of the safety key fits most treadmills, is easy to carry and unburdensome to use, perfect for use when running on a treadmill.