Description This is a treadmill safety key designed to stop your treadmill in a short time, and it is made of sturdy material, sturdy and practical for a long-lasting use. And it is equipped with a magnet design, which is easy for you to install it, and you can have a safe fitness with this safety key. 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) -Adoption of practical and anti-wear material, sturdy and durable for long-term use. -Easy to use and simple to operate. Just place the safety lock in the panel groove, and the other end to your clothes. -With this magnet, there is no need to worry about treadmill users being injured on the treadmill. -Suitable for adults, children, the elderly, keeping safety while running on the treadmill. -Lightweight and compact size, not taking up much space, not increasing extra burden.Package List2 x Treadmill Locks