SCI® Reducing Insert, 52IN3 Series, Insert Fitting, 1-1/2 in Connection Size 1, Connection Type 1: Socket Weld, 3/4 in Connection Size 2, Connection Type 2: Socket Weld, Socket Weld|Socket Weld Connection, Steel, Material Construction: Forged Carbon Steel, Pressure Class: 3000 lb, 1.35 in L, Additional Information: 1.89 in OD