Features 1Automatic Protection Device: When the safety switch is separated from the sensing area of the treadmill, the treadmill will stop working immediately emit a prompt sound, which plays a protective role to prevent the user from falling being injured during exercise. 2Easy to Use Install: This treadmill safety lock replacement is compact, lightweight, which is also easy to use easy to install. 3Use: When it is in use, the safety lock is placed in the panel groove, strong clip can be easily clipped on clothes, easy to operate durable. 4Practical: The treadmill safety switch is extremely important to maintain the efficient operation of any treadmill exercise, are commonly used for Yijian AD treadmills. 5Premium ABS Brass: Our treadmill safety accessories lock is made of premium ABS brass which is strong not easy to be broken. Specification Item Type: Treadmill Safety SwitchMaterial: ABS brassGross Weight: 43g1.5ozSize:Rope Length: 93cm36.6in(The rope is slightly elastic, themanualmeasurement allows error, which does not affect the use.)Brass Sheet Length 13mm0.5inRectangular ShellSize: 28x46mm1.1x1.8inFeatures: Treadmill safety lock, automatic protection, safe, compact, easy to use, easy to install, easy to operate, sports equipment.Package List 2 x Treadmill Safety Switch