This item is a treadmill security key, adoption of good material. This safety key can stop the running machine quickly, and it is a good helper for ensuring your safety while using your treadmill. Easy to use and operate, it is suitable for gym and home use. Features -Color:Red -Material:PP, Aluminum Alloy, Nylon -Size:5.20X2.90X2.80cm/2.04X1.14X1.10in(Clip) -Size:3.00X3.00X2.00cm/1.18X1.18X0.79in(Disc) -When used, the safety lock is placed in groove of the panel and the other end is on clothes, which is convenient to operate. -It can be used as an emergency stop for treadmill safety, suitable for professional and personal use. -Lightweight and portable, which is more convenient to store and use, and you can take it when you go to the gym. -A good yourself, family, friends, co-workers, treadmill users, and people in need. -And it is equipped with a magnet design, which is easy for you to install it, and you can have fitness with this safety key. Package list: 2 x Treadmill Locks