Specification: Product Name: Copper Steel Brake Line Pipe Tubing Kit Material:Steel +Copper Nickel Surface Finish: Copper Nickel Plating Color:Gold Brake Line Tubing Diameter: 3/16 In. O.D. & 1/4 In. O.D. Brake Line Tubing Wall Thickness: .028 In. / 0.70mm Each Brake Line Length: 25 Ft Coils ( 25ft=300inch=7.62M ) Elongation In 2" (50mm) = 14% Hardness (Rockwell 30T Scale): 35 Yield Strength: 24,656 Psi Tensile Strength: 42,061 Psi Working Pressure: 4,500 Psi Burst Pressure: 17, 900 Psi Temperature Range: 150-200°C Type: Brake Hose Quantity: 2Pcs Package Including: 1/4 In.OD 25 Ft Roll Brake Line Tubing With 16 Fittings 3/16 In.OD 25 Ft Roll Brake Line Tubing With 16 Fittings.