uxcell Fitness Magnet Key, 46x28mm Rectangle Shell, 15mm Dia. Magnet Safety Lock for Most Treadmill, Red

[What You Get] - Package comes with 1pcs of magnet safety key in totally length: 1M, red plastic clip: 2.8x5.8cm(W*L), size of red magnet shell: 4.6x2.8cm(L*W), diameter of magnet: 1.5cm. [Material & Composition] - This treadmill key consists of an ABS plastic shell, magnet, braided rope, and a plastic clip which is sturdy and long-term use. [Protection] - This emergency shut-off key is designed to protect the runner's safety when using the treadmill. If you accidentally fall while running, the key will be pulled off and make the treadmill stops running. [Universal] - Suitable for a wide variety of treadmill that needs a rectangle magnet key. If your treadmill key is lost or broken, it would be a good replacement. [Note] - It can easily clamp and hold to any part of your clothing. Please check the size before buying to avoid unsuitable for your treadmill. It's suggested that the size of the attached surface must be greater than 46x28mm