Feature: 1. STRONG CLAMPING: The treadmill key can work easily and quickly on most treadmills, can be easily clipped onto any part of the clothes and holds firmly 2. UNIVERSAL COMPATIBILITY: Designed as a universal emergency stop switch for treadmills, this key is suitable for most treadmills, you can use with confidence 3. STABLE AND LONG LASTING: This treadmill safety key replacement part is made with exquisite craftsmanship and manufacturing, providing stable performance to meet all your exercise needs 4. SAFE AND TRUSTED: If the user exceeds the area, the automatic function will immediately stop the treadmill to prevent accidents. Whether it is a home or a commercial gym, can ensure seamless compatibility 5. EASY TO INSTALL: The universal safety key for treadmills is compact and lightweight, and can be easily connected to most treadmills. The safety lock can be easily connected to your treadmill within seconds Specification: Item Type: Universal Treadmill Magnetic Lock Material: ABS Size: Approx. 64 x 15mm 2.52 x 0.59in. Package List: 2 x Universal Treadmill Magnetic Lock