 
MB/Intermediate diff of 0.005 is based on claim of a "low" mass bias rating.
Core Type
              Asymmetric
          16 pounds
RG
              2.480
          Diff
              0.057
          MB Diff
              0.005
          15 pounds
RG
              2.470
          Diff
              0.065
          MB Diff
              0.005
          14 pounds
RG
              2.480
          Diff
              0.068
          MB Diff
              0.005
          13 pounds
RG
              2.530
          Diff
              0.055
          MB Diff
              0.005
          12 pounds
RG
              2.600
          Diff
              0.039
          MB Diff
              0.005