Item Type: Treadmill Safety Switch Material: ABS, magnet Gross Weight: 31g / 1.1oz Product Size: Rope length: 92cm / 36.2in, magnet shell diameter: 32mm / 1.3in, height: 28mm / 1.1in, magnet diameter: 9mm / 0.4in Diameter of a single column: 2mm / 0.1in, distance between two columns: 20mm / 0.8in (The rope is slightly elastic; manual measurement allows for slight error, does not affect use) 1. Automatic Protection: The safety lock is an automatic protection device for treadmills. When the switch moves out of the treadmills sensing area, the treadmill immediately stops and emits an alert sound to help prevent accidents during exercise. 2. Applications: Magnetic suction safety switch designed for electric treadmills with round magnetic switch compatibility. 3. Easy to Use: Compact and simple to install. During use, place the safety key into the panel groove and clip the other end onto clothing for convenient operation. 4. Durable Materials: Safety keys are essential for maintaining proper treadmill function. This round safety key is made of high-quality ABS plastic and magnets, enhancing durability and safety performance. 5. Lightweight and Portable: This treadmill emergency stop device is lightweight and easy to carry, ideal for use at home or while traveling.