Product Description Specifications The COMP crankshaft socket for Buick, Ford and Pontiac V8's is the last crankshaft socket that you'll need. Featuring a 1/2" drive socket and a knurled nut, our socket is designed for use with a degree wheel. Category: Fabrication>Tools Core: N LTL: N MPN: 4798CPG Proposition 65: Y Special Order: Y