The Proform 140507 Treadmill Walking Belt W/Fastener provides a stable and consistent surface for walking or running on compatible treadmills. The belt moves continuously around the treadmill rollers as the motor drives it, allowing users to exercise at the selected speed. Its proper fit and tension help support smooth movement while reducing unnecessary slipping or uneven tracking du... https://www.wholetoolbox.com/proform-140507-treadmill-walking-belt-w-fastener