Crankshaft locking tool for Volkswagen/Audi vehicles.Applications include Bora, Golf, Passat 1.9 TDi PD, Lupo 1.2/1.4/3.0 TDi, Polo 1.4 TDi.OEM T10050/310-085.Arrow at 12 o’clock position with round sprockets.Other tool available for 1 o’clock arrow position and oval sprockets - Part No 4199.Specialist tool.