Description 15 Degree Mandrel Bend, 2.5 O.D. Material T304 Stainless Steel Part Specifications Tube Diameter - 2.50 O.D. Centerline Radius - 3.50 Leg Length A - 5 Leg Length B - 5 Tube Thickness - 0.065 (1.65mm) - Ideal for building custom exhaust systems, headers, downpipes, intercooler piping, etc.... - T304 Stainless Steel is a non-magnetic alloy that possesses very high chromium and nickel content, making it much more capable of withstanding acidic, high heat and corrosive conditions than regular (mild) steel.