The 609 drum cheeks swivel through 360°, chainplate version.  Drum and halyard swivel are equipped with Torlon® and Delrin® ball bearings for increased performance and mechanical resistance, for boats from 6 to 9mt. T (T=twin) series jib reefing with double raceway it allows to hoist and reinforce the new sail before lowering the old one, perfect during a regata or for a second sail.
Drum sheet Ø 5mm. Supplied complete for  9,10mt stay. Max genoa dimensions m² 25mt.