3.5" OD 45 Deg. Mild Steel Mandrel Bend, 16 Gauge - 3.5" Radius, 6" Leg Item ID: 045MS16-350350-6X6 Wall (spec): 0.065" (16 Gauge); Size (spec): 3-1/2" OD on 3-1/2" Radius Material (spec): 1010 Mild Steel Leg (spec): 6"; Tube OD (spec): 3.5"