Description This item is a treadmill security key, adoption of good material. This safety key can stop the running machine quickly, and it is a good helper for ensuring your safety while using your treadmill. Easy to use and operate, it is suitable for gym and home use. Features -Color:As Shown -Material:ABS -Size:100.00X3.00X3.00cm/39.30X1.18X1.18in -Using ABS material and good craftsmanship, strong and durable for long-serving life. -This safety key is compact size and lightweight, which is very easy for you to install and carry out. -Magnetic safety for electric treadmills with rounded magnetic. -When the is out of the treadmill sensing area, the treadmill immediately stops working and emits a sound to protect the user from falling during the exercise. -This stop key can effectively control the safe emergency stop of the treadmill in a short time. Using ABS material and good craftsmanship, strong and durable for long-serving life. This safety key is compact size and lightweight, which is very easy for you to install and carry out. Magnetic safety for electric treadmills with rounded magnetic. When the is out of the treadmill sensing area, the treadmill immediately stops working and emits a sound to protect the user from falling during the exercise. This stop key can effectively control the safe emergency stop of the treadmill in a short time.