Features: 1Reliable Material: This treadmill key is made of ABS and plastic, which is sturdy and not easily damaged, and is suitable for long term use by runners. 2Strong Clip: This product can be easily and firmly clamped to any part of the clothing It can be easily clipped onto almost all types of clothing, making it simple and convenient to use. 3Convenient to Carry: The security key is small in size, light in weightl It is convenient for users to carry to any place where they need it, providing convenience for life. 4Auto Protection Device: This product is an automatic protection device for treadmills. When it exceeds the sensing area of the treadmill, the running machine immediately stops working and emits a warning tone to prevent the user from falling and being injured during exercise. 5Applicable to: This treadmill magnet security clip is easy to use and easy to install for maintaining the efficient operation of any treadmill exercise and sports equipment. Item Type: Running machine security clip Weight: 58.00g/2.05oz Material: ABS, magnetic Package Included: 2 x Running&nbspMachine&nbspSecurity&nbspLocks