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, this safety lock features user-friendly operation. One end fits into the treadmill’s designated slot on the control panel, while the other clips securely onto clothing for added safety. Durable Materials: Treadmill safety keys are essential for maintaining proper equipment function. This round safety key is constructed from high-quality ABS plastic and integrated magnets, offering enhanced durability and reliability. Lightweight and Portable: This emergency stop device is lightweight and easy to carry, making it convenient for use at home or while traveling. 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 0–1cm variation, which does not affect functionality.) Package List 2 x Emergency Stop Switch Note 1. Due to manual measurement, please allow for a 0–1cm size variation. Confirm you accept this before purchasing. 2. Due to differences in monitor displays, the actual product color may vary slightly from images shown.