NiCopp Brake Line Wall Display - Import Lines (Installer Assortment) - Dimensions with lines: 69in X 17in X 6in. AGS's NiCopp is a nickel-copper alloy brake tubing that has many benefits over steel tubing. NiCopp is bendable by hand, flares easily, and will not rust. NiCopp therefore has the strength and structural integrity of steel lines but with the added benefit of being much more corrosion resistant.Meets SAE Standard J1047 and ISO 4038; meeting all international and U.S. requirements for brake tubing. This alloy is approximately 9.2 Percent nickel, 1.4 Percent iron, 0.8 Percent manganese, and 88.6 Percent copper. NiCopp has been used on hydraulic/fluid transfer systems on vehicles where steel lines and tubing are commonly used. This includes brake, fuel and transmission systems.