Designed for convenience and safety, this treadmill emergency stop switch and set is a must-have for any home gym. The attaches effortlessly to your clothing, ensuring that the emergency stop function is always within reach. The sturdy construction assure reliability, while the user-friendly design makes it simple to operate. Keep your workouts safe and secure with this practical accessory. Features -Color:Multi -Material:ABS, Magnet -Size:3.20X3.20X2.00cm/1.26X1.26X0.79in -Size:4.50X3.00X1.00cm/1.77X1.18X0.39in -Secure magnet clip: the magnet clip ensures a secure and quick attachment to many treadmills requiring a round safety key, providing peace of mind during workouts -durable build: made from sturdy abs plastic and durable braided cord, this safety key is built to last, even with frequent use by avid runners -Broad compatibility: designed to fit a wide range of home treadmill brands and models, offering flexibility and convenience -Double safety mechanism: equipped with both an emergency stop switch and a cord , it provides double safety measures for users -Effortless operation: the safety lock is easy to place in the board's groove and attach to clothing, making it simple and convenient to use Package list: 2pcs x treadmill keys