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:As Shown -Material:ABS -Size:100.00X3.00X3.00cm/39.30X1.18X1.18in -Manufactured with anti-wear ABS material, sturdy and practical for a long use. -More convenient, It can easily clamp to any part of your clothing, and it's also firm to hold. -This treadmill safety key is an important device that protects owners and user from injury by not allowing the treadmill to run without the key attached. -This safety key is suitable for most kinds of running machine on the market, and you can use it with confidence. -The treadmill safety key is an important device that protects the owner and user from injury by not allowing the treadmill to operate without a connected key. Manufactured with anti-wear ABS material, sturdy and practical for a long use. More convenient, It can easily clamp to any part of your clothing, and it's also firm to hold. This treadmill safety key is an important device that protects owners and user from injury by not allowing the treadmill to run without the key attached. This safety key is suitable for most kinds of running machine on the market, and you can use it with confidence. The treadmill safety key is an important device that protects the owner and user from injury by not allowing the treadmill to operate without a connected key.