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, which does not affect use) 1. Automatic Protection: The safety lock is an automatic protection device for treadmills. When the switch moves out of the treadmill's sensing area, the treadmill immediately stops and emits a beep 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. Place the safety lock in the panel groove and clip the other end onto clothing for convenient operation. 4. Durable Materials: Safety keys are essential for maintaining treadmill performance. This round safety key is made of high-quality ABS and magnetic components, enhancing durability and safety. 5. Lightweight and Portable: This emergency stop device is lightweight and easy to carry, ideal for use at home or while traveling.