T40058 Crankshaft Turning Socket Rotate Crankshaft Key For Audi A6 A8 engines Special application for rotating the crankshaft at VAG motors necessary for the used adjustment and rotation of the crankshaft when working on engine timing, even as a steady Damage to sensitive parts of the vehicle to avoid 6 and 8 cylinder 2.4 , 3.2 L FSI as well as 6 and 8 cylinder TDI common rail engines For example, in the following vehicles:Audi A6 from year 2005 Audi A8 from year 2003 22 mm square with 13.8 mm centering pin to use as OEM T40058 Drive wrench size 19 mm Burnished black.