Impact socket set 3/8 inch drive. Set Contents • Standard length metric: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 and 22mm • Standard length imperial: 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16 and 3/4 inch • Deep length metric: 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 and 21mm Features and Benefits • Manufactured from high quality chrome molybdenum steel • Black oxidised finish with permanent laser etched markings