lg 0.875 in; 0.455 in. wd; top two corners cut away 0.140in. Across wd x 0.2175 in. Along lg; 0.200 in. Thk; two holes 0.196 in. Dia; 0.562 in. C-to-c 0.170 in. From bottomedge; one hole 0.190-32 unf-3b c'sink 100 deg-20 degrees both sides; rockwell c-34-38; steel 4130; dry film lubricantfinish