1、Automatic Protection Device: When the safety switch is separated from the sensing area of the treadmill, the treadmill will stop working immediately and emit a prompt sound, which plays a protective role to prevent the user from falling and being injured during exercise. 2、Easy to Use and Install: This treadmill safety lock replacement is compact, lightweight, which is also easy to use and easy to install. 3、Use: 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 and durable. 4、Practical: The treadmill safety switch is extremely important to maintain the efficient operation of any treadmill exercise, and are commonly used for Yijian AD treadmills. 5、Premium ABS and Brass: Our treadmill safety accessories lock is made of premium ABS and brass which is strong and not easy to be broken. Item Type: Treadmill Safety Switch Material: ABS and brass Gross Weight: 43g/1.5oz Size: Rope Length: 93cm/36.6in(The rope is slightly elastic, and themanual measurement allows error, which does not affect the use.) Brass Sheet Length 13mm/0.5in Rectangular Shell Size: 28x46mm/1.1x1.8in Features: Treadmill safety lock, automatic protection, safe, compact, easy to use, easy to install, easy to operate, sports equipment. 2 x Treadmill Safety Switch