Core Type
              Symmetric
          16 pounds
RG
              2.546
          Diff
              0.045
          15 pounds
RG
              2.511
          Diff
              0.045
          14 pounds
RG
              2.528
          Diff
              0.045
          13 pounds
RG
              2.574
          Diff
              0.040
          12 pounds
RG
              2.637
          Diff
              0.040