This high RG and medium/low differential core delivers added length with constant backend motion.
Core Type
Symmetric
16 pounds
RG
2.600
Diff
0.035
15 pounds
RG
2.610
Diff
0.035
14 pounds
RG
2.630
Diff
0.035
13 pounds
RG
2.670
Diff
0.020
12 pounds
RG
2.670
Diff
0.020