20 mm (3/4") drive: KM9 - KM10 - KM11 - KM12. 12.5 mm (1/2") drive: KM4 - KM5 - KM6 - KM7 - KM8. Suitable for following grooved nut sizes Type: Socket Set. Style: External. 1x Rear Drive Shaft Propeller Shaft for Subaru Outback H4 2.5L 2010-2012 936-927.