t8 = 8gr per foot (color: dark red)
t11 = 11gr per foot (color: dark green)
t14 = 14gr per foot (color: dark blue)
t17 = 17gr per foot (color: dark grey)
t20 = 20gr per foot (color: black)
*t8 can be cast on most fly rods
*t11 5wt+
*t14 7wt+
*t17 8wt+
*t20 8wt+
