Vintage End Nipper Cutting Pliers Made by The Diamond Calk Horseshoe Company In 1908, Otto Swanstrom founded The Diamond Calk Horseshoe Company in Duluth, Minnesota. ** DIAMOND CALK HORSESHOE --- 1970s *** Duluth, Minnesota Length 6" Part Number GG06 ( approximate measurement ) Wear Cut Scratch ondition dented cutting edge with nicks or chips ( last three photos ) Photos are descriptions Product of USA Copyright: The above images and descriptions are copyrighted exclusively. None of the material may be copied or republished. ALL RIGHTS RESERVED. We will immediately report plagiarism to Ebay.