B62-530. MODEL WRENCH. Jim Keats Model of Hewet Patent. Henry Hewet had four wrench patents, this one looks like his 6/27/40 patent manufactured by E.F. Dixie of Worcester, MA. The miniature wrenches made by Jim Keats are not as well known as those by Hilary Klein but are equally well made and prized by collectors. In original oak box with floral design. Fine 300-600