Lewmar V700G Vertical Windlass with Rocker Switch and Control The V700 now comes with a gypsy able to accept both 6mm and 7mm (1/4) inch chains. Fits calibrated chains: 6mm DIN766&#44; 1/4 G4 or BBB&#44; 7mm DIN766 Minimal parts for enhanced reliability Late configure boat / chain on boatyard assembly line Features 100% 316 stainless steel deck unit