Made of steel tubing. Used often in low pressure piping situations, like with water, oil, air or gas lines. They function by connecting straight pipe to straight pipe. No. 8700158507: Size: 1/8", Material: Malleable Iron, Type: Straight Tapped, Finish: Galvanized, Pkg Qty: 1, Package Type: Bag No. 8700158556: Size: 1/4", Material: Malleable Iron, Type: Straight Tapped, Finish: Galvanized, Pkg Qty: 1, Package Type: Bag No. 8700158606: Size: 3/8", Material: Malleable Iron, Type: Straight Tapped, Finish: Galvanized, Pkg Qty: 1, Package Type: Bag No. 8700158655: Size: 1/2", Material: Malleable Iron, Type: Straight Tapped, Finish: Galvanized, Pkg Qty: 1, Package Type: Bag No. 8700158705: Size: 3/4", Material: Malleable Iron, Type: Straight Tapped, Finish: Galvanized, Pkg Qty: 1, Package Type: Bag No. 8700158754: Size: 1", Material: Malleable Iron, Type: Straight Tapped, Finish: Galvanized, Pkg Qty: 1, Package Type: Bag No. 8700158804: Size: 1-1/4", Material: Malleable Iron, Type: Straight Tapped, Finish: Galvanized, Pkg Qty: 1, Package Type: Bag No. 8700158853: Size: 1-1/2", Material: Malleable Iron, Type: Straight Tapped, Finish: Galvanized, Pkg Qty: 1, Package Type: Bag No. 8700158903: Size: 2", Material: Malleable Iron, Type: Straight Tapped, Finish: Galvanized, Pkg Qty: 1, Package Type: Bag
