Duro and Indestro products were available from selected industrial distributors and from high-volume retailers, including Sears Roebuck, Montgomery Ward, and Western Auto Supply. The Western Auto catalogs listed Duro and Indestro alloy steel tools under the "Chromium-Vanadium" brand in earlier catalogs, and Duro/Indestro later provided extensive contract production for Western Auto brands.
New Old Stock, but may have light scratches minor dings, and may need light polishing to regain original shine.
This socket has been in storage for several years in a old hardware store.