This is the grain windows for the Switch blanks.
Model Low Grain Window High Grain Window
IF1085-4M 140 280
IF1086-4M 160 330
IF1087-4M 185 380
IF1088-4M 210 440
Batson Also has fly lines in Scandi in Scandi Style here http://www.162.144.44.127/component/...itch-rod-lines
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