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 operate, the safety lock is easy to install. Place one end into the panel groove and clip the other end onto your clothing for convenient use.Durable Materials: Safety keys are essential for maintaining proper treadmill function. This round safety key is made of high-quality ABS plastic and magnets, offering enhanced durability and safety.Lightweight and Portable: This emergency stop device is lightweight and portable, making it easy to carry for use outside the home.Specifications: Item Type: Treadmill Safety Switch Material: ABS, Magnet Gross Weight: 31g (1.1oz) Rope Length: 92cm (36.2in) Magnet Shell Diameter: 32mm (1.3in) Magnet Shell Height: 28mm (1.1in) Magnet Diameter: 9mm (0.4in) Diameter of Single Column: 2mm (0.1in) Distance Between Two Columns: 20mm (0.8in) Note: Rope has slight elasticity. Manual measurement may result in a 01cm variation, which does not affect functionality.Package List: 2 x Emergency Stop SwitchNotes: - Due to manual measurement, please allow a 01cm size variation. - Due to differences in monitor displays, the actual color of the item may vary slightly from the images shown.