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 compatible with models that use round magnetic switches. Easy to Use: Compact and simple to install, the safety lock is placed into the panels designated slot, with the other end clipped to the users clothing for convenient operation. Durable Materials: The round treadmill safety key is constructed from high-quality ABS plastic and integrated magnets, enhancing durability and safety for reliable performance. Lightweight and Portable: This emergency stop device is lightweight and easy to carry, making it convenient for use during travel or outdoor workouts. Specification 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 has slight elasticity. Manual measurement may result in a small variance, which does not affect functionality. Package List 2 x Emergency Stop Switch Note 1. Due to manual measurement, please allow 01cm size error. 2. Due to variations in monitor displays, the actual color of the item may differ slightly from the images shown.