REDUCER TYPE; STEEL MATERIAL; ZINC ELECTROPLATED FINISH; 1-1/4 INCH; 1/2 INCH-13 TPI X 3/8 INCH-16 TPI NOMINAL DIAMETER; 13, 16 TPI; ASTM A1018/A653/B633 MATERIAL SPECIFICATION; TOLCO[TM] BRAND; B656 MODEL