Comparison : Item # 1317-64-470, 1/8" FPT Cap Malleable Iron Galvanized Class 150
Item # 1317-64-471, 1/4" FPT Cap Malleable Iron Galvanized Class 150
Item # 1317-64-472, 3/8" FPT Cap Malleable Iron Galvanized Class 150
Item # 1317-64-473, 1/2" FPT Cap Malleable Iron Galvanized Class 150
Item # 1317-64-474, 3/4" FPT Cap Malleable Iron Galvanized Class 150