829099 is a 32mm multi hex wrenchdesigned to fit the tensionerused on the VAG 2.5 TDi/SDi dieselengines. Equivalent to OEMnumber 3355. Please carry out an up-to-date cross reference test for thespecific vehicle on our Website For the professional engine repair For locking the crankshaft or camshaft and injectionpump Very high degree of accuracy In foam inlay in a durable BMCS (Blow mould case storage)