3" 3:1/6:1 Gross Tune/Fine Tune System
Harken
Article number :  HK332
Description 3:1 / 6:1 Self-contained system*
Min. line dia. (in) 5/16
Max. line dia. (in) 3/8
Max. sail area - end-boom (sq ft) 240
Max. sail area - mid-boom (sq ft) 180