This treadmill safety key features a convenient clip design that easily attaches to clothing and stays securely in place. It installs quickly and works effectively on most treadmills that require a rectangular safety key, thanks to its strong magnet, helping to ensure user safety during exercise. Made from high-quality plastic and magnet materials, this safety key is durable and reliable. Product dimensions are approximately 4.7cm x 3cm (1.85" x 1.18"). It is compatible with most treadmills that use magnetic safety keys. Item Name: Treadmill Safety Key Material: Plastic, Magnet Features: Quick Installation, Universal Fit, Exercise Safety Size Details: 4.7cm x 3cm / 1.85" x 1.18" (Approx.) Notes: Due to lighting and screen settings, the item's color may vary slightly from the images. Please allow minor dimensional variations due to manual measurement. Package Includes: 1 x Treadmill Safety Key (Rope color may vary)