Sae 1020 steel; 2.844 in. Od; 19.750 in. High; 2.250 in. Id; 18.500 in. Inside depth; pipe tapped hole located perpendicular to central axis, 0.750 in. From solid end to hole center, 0.438 in. Diameter x 1.750 in. Deep; 0.500 in. Diameter drill hole centrally located from inside through to pipe tapped hole