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Vtg Williams No.104 Engineer WrenchSingle Open End Marked 7/16\" (Actually 5/8\")Wrench age: 1914-24 (Brooklyn Logo)
Weight: 5 oz.Length: 5 3/4\"
Wrench head is marked 7/16\"Head measured with caliper is 5/8\"
Whys Size Discrepancies?In the late 19th and early 20th centuries, wrench sizes were commonly named by the nominal size of the bolts whose nuts they fit, rather than the size (across the flats) of the nuts themselves. For example, a \"1/2\" opening might fit a 7/8 (across the flats) nut threaded on a 1/2 inch bolt.Would make a Great Gift. Nice one for the Wrench Collection! Thanks for your interest and..Please Feel Free to Make an Offer !!Let me know if you have any questions :]If you need more pictures ...let me know TY.