Starrett #443 Mandrel Depth Micrometer Case 5 Mandrels & Adjustment Tool. Antique CARPENTERS TRY SQUARE Very Rare BLUE WING B. I was unable to find any information on this maker… Very rare , from circa the late 19th or early 20th century (best guess) , as seen in the pictures/as described in the title. Please see “Condition Description” above for condition notes. Being offered for sale as-found, uncleaned. May require a thorough detailing to bring to its full potential. Please see ruler in pictures for size/scale reference. Additional measurements shall be provided upon request. Weighs 13.2 oz. Check out our other great deals on antiques, tools, electronics, and other unique hard to find items. Get a Grip & More. Thank you for your business! The item “Antique CARPENTERS TRY SQUARE Very Rare BLUE WING B. H. &M. CO. Rosewood & Brass” is in sale since Tuesday, May 31, 2016. This item is in the category “Collectibles\Tools, Hardware & Locks\Tools\Carpentry, Woodworking\Squares”. The seller is “getagripandmorenj” and is located in Washington, New Jersey. This item can be shipped to United States.