Galvanized malleable iron. Each fitting is individually flag tagged. Import. Mueller logo cast into body of each fitting. 100% inspected and quality tested. All fittings meet the following specifications: Material: ANSI/ASTM A-197 Dimensions: ANSI/ASME B.15.3, B16.14, B16.39. Threads: ANSI B1.20.1. No. 511-002HC: Size: 3/8", Material: Malleable Iron Class 150, Finish: Galvanized, Type: Fitting, Pkg Qty: 1, Package Type: Bag No. 511-003BG: Size: 1/2", Material: Malleable Iron Class 150, Finish: Galvanized, Type: Fitting, Pkg Qty: 1 No. 511-004BG: Size: 3/4", Material: Malleable Iron Class 150, Finish: Galvanized, Type: Fitting, Pkg Qty: 1 No. 511-005BG: Size: 1", Material: Malleable Iron Class 150, Finish: Galvanized, Type: Fitting, Pkg Qty: 1