After advanced DE Analysis of the leading steel iron shafts, Matrix Engineers discovered inefficiencies that are manifested in vibration and instability. Applying the Golden Section rule, Lead Designer Daniel You believes the Program irons will launch higher, spin more, and be more stable than all other steel and graphite iron shafts.
| COLOR |
WEIGHT |
TORQUE |
LENGTH |
SPIN |
TIP STIFF |
BUTT STIFF |
CPM |
| WHITE |
130.0 |
1.5 |
36.0 |
LOW |
50 |
49 |
428-433 |
| BLACK |
127.0 |
1.5 |
36.0 |
LOW |
50 |
49 |
428-433 |
