brand new and high quality Features:The safety lock is an automatic for 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. Specification:Type: Switch LockMaterial: ABS, Magnet Applications: for electric treadmills with rounded magnetic switchesFeatures: Treadmill safety lock, automatic for protection, magnetic suction, safe, compact, easy to use, easy to install, easy to operate, sports equipmentDimension: S: app.1.8cm/0.71inL: app.3cm/1.18inColor: Red+White, Red+Black (optional)Quantity: 1 Pc Note:1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes:1 Pc x Switch Lock