Matl ampco grade 20-13, 1.062 in. W by 0.875 in. H by 0.378 in. Thk, two bottom corners beveled 0.094 in. By 45.0 deg, top rounded with 0.813 in. Raduis, two 0.025 in. W by 0.015 in. Deep grooves on opposite sides, one 0.875 in. Diameter hole through thk, one 0.125 in. W by 0.188 in. H step along 1.062 in. And located on backside
