An EXTRA CLEAN MACHINIST'S COMBINATION SQUARE WITH PROTRACTOR ATTACHMENT, No. CS599-401 by the Brown & Sharpe Manufacturing Company, Providence, Rhode Island. This square is in essentially unused condition, noting the presence of the ititials "L.C." on one side of the square. The initials are lightly etched and will not adversely affect functionality. Length = 12.00 Inches (Ref. Id No.: 392533) [Free Shipping]