This item is a treadmill magnet security key, adoption of premium and durable magnet and ABS 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: Black, Red -Material: ABS, Magnet -Size: 102.00X2.50X2.50cm/40.09X0.98X0.98in -Using ABS, magnet material of and fine 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 suction safety for electric treadmills with rounded magnetic . -When the is out of the treadmill sensing area, the treadmill immediately stops working and emits a 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. Package list: 1 x Treadmill Safety Key