Lightweight and sturdy, the 406 jib reefing features all the benefits of a large headsail reefing system. 2 Delrin® twin ball bearing races in both drum and halyard swivel. All components are manufactured from polyamide. Turnbuckle version for boats from 4 to 6 metres. Drum sheet Ø 6,5 mm. Supplied with stay 6,45mt. Max genoa dimensions (headsail size) 12m².