The Matrix Golf Studio 74 Iron Shaft was designed for the average golfer. It has a mid-range torque that is suitable for any player. The weight varies from 71 grams to 74 grams, which makes it a pretty versatile shaft. It is an excellent selection for a senior golfer with a higher than average swing speed.

FLEX	WEIGHT	TORQUE	LAUNCH	SPIN	LENGTH	TIP OD	TIP PAR
S	74.0	3.8	MID/HIGH	HIGH	40.0	0.370	4.5
R, F	73.0	3.8	MID/HIGH	HIGH	40.0	0.370	4.5
L, A	71.0	3.8	MID/HIGH	HIGH	40.0	0.370	4.5

SHAFT FLEX	DRIVER SWING SPEED (MPH)	IRON CPM
STIFF (S)	96 - 102	291 - 295
FIRM (F)	89 - 95	286 - 290
REGULAR (R)	82 - 88	280 - 285
SENIOR (A)	70 - 78	265 - 272
LADY (L)	45 - 55	245 - 255