This vintage Chevy, Caddilac, GMC Trucks, Oldsmobile,  Pontiac and Buick Universal Circle Metric Converter Pencil Pen Cup is a rare find for collectors of engineering and science memorabilia. The item is made in 1970. Very RARE dealer converter. Don't miss out.

With its unique combination of a pencil holder, pen cup, and metric converter, slide rule, this item is both functional and decorative. Its sleek design and historical significance make it a valuable addition to any collection. Own a piece of engineering history with this vintage Chevy Caddilac GMC Universal Circle Metric Converter Pencil Pen Cup. Can't find another one anywhere.