Vintage used J.H. Williams ( Buffalo, N.Y. ) USA # 803 lathe post wrench . Size is 11/16” SOLD AS IS. NO WARRANTY OR GUARANTEE ON PRODUCT PERFORMANCE . PayPal Accepted. Shipping quote is for the 48 contiguous U.S. states only . Be sure to view all my other auctions as well for more VINTAGE TOOLS AND COLLECTIBLES . Thank You .