Trimming up Upper-Die-Plate for Tirehammer

This stock started a 4" x 0.5" x 20' bars .... I first used the HEM Saw to cut each plate to 3.875" length ... then I cut them (this video) again from the 4" width, down to 3.875" width ... to leave me with a bunch of 3.875" x 3.875" upper-die-plates for the Clay Spencer Tirehammer