Running Machine Safety Key, Treadmill Magnetic Security Switch Lock. Features: The Safety Lock is an Automatic Protection Device for the Treadmill. When the Switch is out of the Treadmill Sensing Area, the Running Opportunity Immediately Stops Working and Emits a Beep to Protect the User from Falling During the Exercise. Magnetic Suction Safety Switch for Electric Treadmills with Rounded Magnetic Switches. It is Compact, Easy to Use, and Easy to Install. When Used, the Safety Lock is Placed in the Groove of the Panel and the Other End is Clipped on the Clothes, Which is Convenient to Operate. SPECIFICATIONS Applicable Fitness Equipment: Treadmill Material: ABS, Magnet S: 1.8cm L: 3cm Material: ABS, Magnet  Applications: for Electric Treadmills with Rounded Magnetic Switches S: App.1.8cm/0.71in L: App.3cm/1.18in Color: Red+White, Red+Black (optional) Quantity: 1 Pc Package Includes:1 Pc X Switch Lock. We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.