This item is a treadmill magnet security key, adoption of premium and durable magnet and ABS 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:ABS, magnet -Size:5.70X3.80X2.70cm/2.24X1.49X1.06in -Made of ABS and magnet material, durable and practical for use. -When used, the safety lock is placed of the panel and the other end is clipped on the 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 to the gym. -A good present for yourself, family, friends, co-workers, treadmill users, and people in need. Package list: 1 x Treadmill Key