829091 is designed to hold the frontcrankshaft pulley whiletightening or loosening the pulleyfixings on the GM/Opel/Saab 2,0ltand 2,2 lt petrol engines. 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)