Treadmill Maintenance Kit This fitness equipment accessory kit keeps your machine in peak condition. The kit includes a belt cleaner, cloth, and applicator, all of which work together to help you keep your machine running smoothly and quietly. With regular cleaning, you can not only improve the longevity of your machine, but you can also keep it looking like new. Additionally, the kit includes a replacement treadmill key, which is an essential safety feature. This accessory kit is a must-have for any fitness enthusiast.