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. During use, place the safety key into the panel groove and clip the other end onto clothing for convenient operation. Durable Materials: Treadmill 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. Lightweight and Portable: This emergency stop device is lightweight and easy to carry, making it convenient for use outside the home. Specifications: Item Type: Treadmill Safety Switch Material: ABS, Magnet Gross Weight: 31g Product Dimensions: Rope Length: 92cm Magnet Shell Diameter: 32mm Magnet Shell Height: 28mm Magnet Diameter: 9mm Diameter of Single Column: 2mm Distance Between Two Columns: 20mm Note: The rope has slight elasticity. Manual measurement may result in a 0–1cm variation, which does not affect functionality. Package List: 2 x Emergency Stop Switch Note: 1. Due to manual measurement, please allow 0–1cm size error. 2. Due to differences in monitor displays, the actual color of the item may vary slightly from the images shown.