The Power Transmission High Torque Wedge Belt has a width of 38″, a thickness of .31″ and an outside length of 40″. It is recommended that all Power Transmission V-Belts should be replaced as complete sets. Additionally, the industrial power transmission high torque wedge belts should not be reused. Please contact Bearing & Transmission Supplies for further information on all your power transmission supplies at (800) 621-0237.