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. Package List 2 x Treadmill Safety Switch 1. Due to manual measurement, please allow 0 to 3mm error. Make sure you don't mind before bidding.2. Due to the difference of different monitors, the picture may not reflect the actual color of the item. Thanks 1Automatic 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. 2Easy to Use and Install: This treadmill safety lock replacement is compact, lightweight, which is also easy to use and 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 and durable. 4Practical: The treadmill safety switch is extremely important to maintain the efficient operation of any treadmill exercise, and are commonly used for Yijian AD treadmills. 5Premium ABS and Brass: Our treadmill safety accessories lock is made of premium ABS and brass which is strong and not easy to be broken.