With high-quality materials, this treadmill magnet safety key offers reliable performance. Portable: Compact and lightweight, it can be easily stored in a bag and taken to the gym. It securely clips to any part of your clothing without restricting movement during exercise. Practical Tool: A faulty safety key may prevent your treadmill from starting or cause power instability. This magnetic safety key serves as a convenient replacement or backup for your treadmill. Warm Tips: Designed to fit most treadmills, but due to variations in size, compatibility cannot be guaranteed for all models. Please verify the dimensions before purchasing. Color: Red Material: PVC Size: 2.8 x 2.5 x 1 cm Package Contents: 1 set x Magnet safety key Note: The actual product color may vary slightly due to lighting and screen display differences. Measurement error allowance is +/- 1-3 cm.