This is a very nice, 6" adjustable speed wrench, with the spring loaded spring geared jaw feature. In good+ condition with minor dings, no rust, some minor pitting, good straight metal and gears, and about 0% of the original chrome plating intact. It is marked "GELLMAN WRENCH CORP. CHICAGO ILL. U.S.A. " on one side, and "6" NO. 61 DROP FORGED PATENTS PENDING". A very nice wrench, from the 1920's to 1930's! A hard to find!