 
Core Type
              Symmetric
          16 pounds
RG
              2.517
          Diff
              0.044
          15 pounds
RG
              2.568
          Diff
              0.032
          14 pounds
RG
              2.585
          Diff
              0.032
          13 pounds
RG
              2.574
          Diff
              0.040
          12 pounds
RG
              2.597
          Diff
              0.040