 
The Grapnel 2.0 Core will provide even more length and aggressiveness at the breakpoint versus the original Grapnel Core.
Core Type
              Asymmetric
          16 pounds
RG
              2.530
          Diff
              0.045
          MB Diff
              0.013
          15 pounds
RG
              2.540
          Diff
              0.048
          MB Diff
              0.012
          14 pounds
RG
              2.550
          Diff
              0.047
          MB Diff
              0.012
          13 pounds
RG
              2.570
          Diff
              0.032
          MB Diff
              0.010
          12 pounds
RG
              2.590
          Diff
              0.029
          MB Diff
              0.008