Proflow Crankshaft Socket, 1/2 in., Aluminium, For Buick, For Ford, For Pontiac, V8, Each

Made from quality aluminium material, this crankshaft socket with 34.8 mm ID, and 5 mm and 6.3 mm keyways, allows you to rotate the crankshaft using a 1/2" drive breaker bar or ratchet. Fits Buick, Pontiac, and small block Ford engines.