 
Core Type
              Symmetric
          16 pounds
RG
              2.481
          Diff
              0.039
          15 pounds
RG
              2.468
          Diff
              0.045
          14 pounds
RG
              2.481
          Diff
              0.045
          13 pounds
RG
              2.582
          Diff
              0.042
          12 pounds
RG
              2.605
          Diff
              0.042