Description: This treadmill safety key is characterized by a convenient clip design, which allows it to be easily attached to any part of your clothing and does not fall off easily. 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 to ensure your safety when exercising. Made of high-quality plastic and magnet material, this product is reliable and durable to use. The length of the product is 4.7 cm, the width is 3 cm. It fits most treadmills that use magnetic keys. Item Name: Treadmill Safety Key Material: Plastic, Magnet Features: Quick Installation, Universal, Treadmill Safety Size Details: 4.7 cm x 3 cm/1.85 \" 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 a slight dimension difference due to different manual measurements. Package Includes: 1 x Treadmill Safety Key (Rope random color)