Outer Shoe for IH Farmall Cub Tractor McCormick Cub C22 and Cub L22 Sickle Bar Mowers.
Also used on IHC 22 sickle mowers used on IH Super A thru 140 model Tractors and many other IH sickle bar mowers.
Sometimes referred to as outer sole or shoe.
Case IH sole part number M259X.
Also used on many other IHC sickle bar mowers.