45 & 180 Degree Mandrel Combo Bend. 304 Stainless Steel 16ga. This combo bend will yield one 45 and one 180 degree bend or one 45 and two 90 degree bends. Long leg 11 inches, 8 inches between the bends and 5 inch short leg. New from the manufacturer. Center line radius is 1.5 X diameter of the tubing. Note that our 3" combo bend is, proportionately, much larger than the other bends. It is made from a total of 60 inches of tubing; it is absolutely huge.