Steel material; 4.750 in. Lg 2.125 in. Od, 1.260 in. Id of bore 3.812 in. Depth of bore, counter bored 1.366 in. Diameter 1.338 in. Depth, bore is angled 30 deg, second end is tapered from 2.125 in. To 1.652 in. Dia, end has a radius of 0.510 in. On outer perphary