Description 45 Degree Mandrel Bend, 3.5 O.D. Material T304 Stainless Steel Warranty Five Year Limited Warranty Notes Part Specifications Tube Diameter - 3.50 O.D.Centerline Radius - 5.50Leg Length A - 6Leg Length B - 6Tube 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.