Durable Construction: This treadmill universal safety key is made of ABS plastic, offering high strength and durability for long-term use by runners. Strong Clip: The treadmill key can be easily and securely clipped to any part of clothing and is compatible with most types of apparel. Simple and convenient to use. Compact and Convenient: The treadmill universal safety key has a compact design, making it easy to carry and suitable for use at home, in the gym, or while traveling. Safe and user-friendly, it serves as essential fitness equipment. Protective Function: This treadmill security lock acts as an automatic safety device. When the safety key is removed from the sensor area, the treadmill immediately stops and emits an alert tone, helping to prevent falls and injuries during exercise. Easy to Install: The treadmill safety switch is compatible with most treadmill models. It is small, lightweight, and easy to install without the need for additional tools or complex steps. Package Includes: 4 x Treadmill Safety Keys Item Type: Treadmill Safety Key Material: ABS, Magnet