Automatic Protection: The safety lock serves as an automatic protection device for the treadmill. 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. Applications: This magnetic suction safety switch is designed for electric treadmills and is compatible with treadmills that use round magnetic switches. Easy to Use: Compact and simple to operate, the safety lock is easy to install. During use, place the switch into the panel's groove and clip the other end onto clothing for convenient operation. Durable Materials: Safety keys are essential for maintaining the efficient operation of treadmills. This round safety key is made of high-quality ABS plastic and magnets, enhancing both durability and safety. Lightweight and Portable: This treadmill emergency stop device is lightweight and portable, making it easy to carry when traveling or exercising away from home. 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 Note: The rope is slightly elastic. Manual measurement may allow for a small error, which does not affect functionality. Package List: 2 x Emergency Safety Switch Note: 1. Due to manual measurement, please allow 0–1cm error. Ensure you are comfortable with this before purchasing. 2. Due to differences in monitor displays, the image may not reflect the actual color of the item.