2-3VX680 Super HC PowerBand V80 Series 2 Stranded 3VX680 V-belt - 9388-2068 The PowerBand Construction allows multiple belts to function as one belt, with even load distribution and each strand fitting securely in the sheave groove.Recommended for multiple V-belt drives exposed to pulsating or heavy shock loads which can make belts whip, turn over or jump off the drive.