If you are looking for a safety stop your running machine in an emergency condition, then you cannot miss our safety key. It is manufactured with premium plastic and magnet material, professional and practical for a use. And this stop can quickly stop the treadmill and protect your safety. Features -Color: Black, Red -Material: ABS, Magnet -Size: 102.00X2.50X2.50cm/40.09X0.98X0.98in -Selection of high-class magnet and plastic material, professional and practical, can serve you a long time. -Magnetic work, can work easy and quick on most treadmills, helping you stop the treadmill more quickly. -Easily clips to virtually all types of clothing, can forget about the key while you walk or run. -Safety keys are extremely important to maintain the efficient operation of any treadmill. -Our replacement safety keys will solve these common problems with treadmills at a fraction of the cost. Package list: 1 x Treadmill Safety Key