Core Type
              Symmetric
          16 pounds
RG
              2.588
          Diff
              0.030
          15 pounds
RG
              2.601
          Diff
              0.030
          14 pounds
RG
              2.617
          Diff
              0.030
          13 pounds
RG
              2.574
          Diff
              0.040
          12 pounds
RG
              2.597
          Diff
              0.040