When your drive needs more muscle, NuTLink® v-belt offer a permanent replacement upgrade from classical rubber v-belt while ensuring industry standard power ratings, a longer lasting belt, superior oil, chemical and temperature resistance and also fast, easy installation. Fenner Drives® NuTLink® Link V-Belt, A Section, 13 mm Top Width, 20 m Outside Length, 1 Rib, 3 in Diameter Minimum Pulley, -40 to 240 °F, Composite Polyester/Polyurethane, Orange