For the best fitting shaft, all of the swing characteristics below must match your swing.

Lite Steel (105g)
Your Avg. Score: 90 +
Your Backswing Length: Hands higher than shoulders OR hands shoulder height or lower
Your Downswing Force: Average, with some force & energy
Your Wrist Cock Release Point on Downswing: Early
Your Avg. 5-Iron Distance (Select Shaft Flex):
0 - 140 yards = Flexible (L)
140 - 155 yards = Senior (A)
155 - 170 yards = Regular (R)

Stepless Steel (125g)
Your Avg. Score: 80 - 90
Your Backswing Length: Hands higher than shoulders OR hands shoulder height or lower
Your Downswing Force: Fast, aggressive & forceful
Your Wrist Cock Release Point on Downswing: Midway
Your Avg. 5-Iron Distance (Select Shaft Flex):
180 - 200 yards = Firm (S)

True Temper XP100 (105g)
Your Average Score: 85+
Your Backswing Length: Hands higher than shoulders OR Hands shoulder height or lower
Your Downswing Force: Average, with some force and energy
Your Wrist Cock Release Point on Downswing: Midway
Your Average 5-Iron Distance (Select Shaft Flex):
160 - 175 yards = Regular (R)
175 - 190 yards = Firm (S)

Nippon NS 950 Steel (95g)
Your Avg. Score: 80 - 82
Your Backswing Length: Hands higher than shoulders
Your Downswing Force: Fast, aggressive and forceful
Your Wrist Cock Release Point on Downswing: Late
Your Avg. 5-Iron Distance (Select Shaft Flex):
165 - 180 yards = Regular (R)
180 - 195 yards = Firm (S)

S2S Green (62g)
Your Avg. Score: 95 +
Your Backswing Length: Hands higher than shoulders OR Hands shoulder height or lower
Your Downswing Force: Smooth, rhythmic with little force
Your Wrist Cock Release Point on Downswing: Early to Midway
Your Avg. 5-Iron Distance (Select Shaft Flex):
90 - 110 yards = Flexible (L)
110 - 135 yards = Senior (A)

S2S White (72g)
Your Avg. Score: 85 - 95
Your Backswing Length: Hands higher than shoulders
Your Downswing Force: Average, with some force & energy
Your Wrist Cock Release Point on Downswing: Midway
Your Avg. 5-Iron Distance (Select Shaft Flex):
125 - 145 yards = Senior (A)
145 - 165 yards = Regular (R)
165 - 185 yards = Firm (S)

S2S Black 85 (85g)
Your Avg. Score: 80 - 85
Your Backswing Length: Hands higher than shoulders OR Hands shoulder height or lower
Your Downswing Force: Fast, aggressive & forceful
Your Wrist Cock Release Point on Downswing: Midway to Late
Your Avg. 5-Iron Distance (Select Shaft Flex):
145-165 yards = Regular (R)
165 - 185 yards = Firm (S)