Vintage 1978, Original Thompson Roto Stripper - Coarse Tool. Complete with original box and instructions. Fits any 1/4" electric tool with recommended tool speeds of 1600-2500 RPM. Manufactured in USA by Thompson Tool Co., Inc., Norwalk, CT. Patent #3958294 granted on May 25, 1976. Removes paint, varnish, rust, and corrosion from wood, metal, fiberglass, concrete, and stone. Can be re-sharpened by user when necessary. Engraved on one Roto Stripper side: Thompson Tool Co. Norwalk, Ct. On other side: Pat #3958294 Made in U.S.A. Box has price sticker indicating it originally cost $2 at Kmart. Works great! Lightly used, but in very good vintage condition. $8 Cash