Steel City PC-3-1/2, 5-1/16″ x 1-3/4″, Malleable Iron, Parallel Beam Clamp, 1 pc. Steel City RC-1/2, 1/2″, Malleable Iron, Right Angle, Conduit Beam Clamp, 1 pc. Steel City RC-1-1/2-HDG, 1.5″, Hot Dip Galvanized, Right Angle Beam Clamp, 1 pc.