Vtg / Antique J H Williams No. 25 Open-end Wrench 

1914-24 Brooklyn Logo

Length: 4 7/8"

Marked: 5/16" on Middle of Handle. However the openings are 

 17/32" x 5/8" Measured with a Caliper. See Pictures

I have plenty more Vintage and interesting Tools in my Ebay Store

 ...Please take a look you may find what you need :]

Let me know if you have any questions. TY