1. Automatic Protection: The safety lock is an automatic protection device for the treadmill. When the switch is out of the treadmill sensing area, the treadmill immediately stops working and emits a beep to prevent accidents during exercise. 2. Applications: Magnetic suction safety switch for electric treadmills is suitable for electric treadmills with rounded magnetic switches. 3. Easy to Use: It is compact, easy to use, and easy to install. When used, the safety lock is placed in the grooved part of the panel and the other end is clipped on the clothes, which is convenient to operate. 4. Durable Materials: Safety keys are extremely important to maintain the efficient operation of any treadmill. The round treadmill safety key is made of premium ABS and magnets, which enhances their strength and safety. 5. Lightweight and Portable: This treadmill emergency device is lightweight and portable. You can take it with you when you need to go out for exercise. 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 slight error, which does not affect usage.) Package List: 2 x Emergency Safety Switch Note: 1. Due to manual measurement, please allow 0-1cm error. Make sure you don't mind before purchasing. 2. Due to differences between monitors, the picture may not reflect the actual color of the item. Thank you for your understanding.