The picture shows a view of both sides of this Old Metal Cal Van Spark Plug Gapper Key Chain Tool. This tool has inches on one side and millimeters on the other side. It was made in the U.S.A. of a non magnetic plated metal and it has a hole to go on a key chain or ring like a fob or charm. The tool measures 1-1/2'' wide. It appears to be in very good used condition with some wear as pictured.