Description: This treadmill safety key features a convenient clip design, which makes it easy to attach to any part of your clothing and not easy to fall off. This treadmill safety key can be installed easily and works well on most treadmills that require a rectangular treadmill safety key due to its strong magnet. It is helpful in ensuring your safety when exercising. Made of highquality plastic and magnet material, this product is reliable and durable to use. The length of the product is 4.7cm, the width is 3cm. It fits most treadmills that use magnetic keys. Item Name: Treadmill Safety Key Material: Plastic, Magnet Features: Quick Installation, Universal, Treadmill Safety Size Details: 4.7cm x 3cm1.85" x 1.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurements. Package includes: 1 x Treadmill Safety Key (Rope random color)