lot of four matching unusually shaped early 20th century vintage american industrial weathered and worn cast iron rake wheels possibly fabricated by or for the j.i. case threshing machine co., inc., racine, wi. the pointed-end arms or spokes emanate from a centrally located threaded opening. the unique and unusual farm implements were likely used on a threshing machine or combine. nicely aged surface patina left untouched. measure 11 inches in diameter. priced for the lot of four.