Description: 100% Brand new,never been used Groove Count: 1 Groove Belt Type: V-Belt Material Type: Steel Finish: Black Overall Diameter: 6-1/16" The pulley's outside diameter measures 6-1/16" The total depth, from mounting face to the back of the pulley, measures 2-7/16". The front face mounting thickness measures 1/8". Depth, from outside the mounting face to the center of the pulley where the belt would be measures 2-1/8" Professional installation in highly recommended No instruction included Package Includes: .