This emergency stop key is designed to work with a variety of machines. This makes it a versatile and convenient option for users who own multiple treadmills or who frequently use different machines at the gym. Additionally, the key is designed to provide immediate safety protection in case of an emergency, ensuring the user's safety. Features -Color:Black -Material:Plastic, alloy, rope -Size(black clip):5.80X3.10X3.00cm/2.28X1.22X1.18in -Size(red block):4.00X2.30X1.80cm/1.57X0.90X0.71in -The use of plastic, alloy and rope materials in the design of this emergency stop key ensures that it is durable and reliable, providing safety protection for users. -The easy-to-use design of this emergency stop key allows for quick and convenient operation, ensuring that users can quickly and easily stop their treadmill in case of an emergency. -This emergency stop key is compatible with a wide range of treadmills, making it a versatile and convenient safety accessory for any fitness enthusiast. -In case of an emergency, this emergency stop key provides immediate safety protection, allowing users to quickly and easily stop their treadmill and prevent injury. -The magnet clip on this emergency stop key ensures secure attachment and easy access, making it a convenient and reliable safety accessory for any treadmill user. Package list: 1 x Treadmill Key