LADIES FLEX

Driver speed swing less than 60 mph (100 km/h).
Driver carry distance less than 180 yds (164m).
Club used from 150 yds (137m). a 3 iron or wood.

SENIOR or A FLEX

Driver speed swing 60-75 mph (100-120 km/h).
Driver carry distance 180-210 yds (164-192m).
Club used from 150yds (137m). a 4 iron.

REGULAR FLEX

Driver speed swing 75-84 mph (120-135 km/h).
Driver carry distance 210-240 yds (192-219m).
Club used from 150 yds (137m). a 5 or 6 iron.

STIFF FLEX

Driver speed swing 84-93 mph (130-150 km/h).
Driver carry distance 240-260 yds (219-237m).
Club used from 150 yds (137m). a 6 or 7 iron.

X-STIFF FLEX

Driver speed swing over 93 mph (150 km/h).
Driver carry distance 260+ yds (237m).
Club used from 150 yds (137m). a 8 or 9 iron.