Lewmar V1 Vertical Windlass Features: 1/4" Chain & 1/2" 3 Strand Rope; Manual Chain Release Free-Fall; Cone clutch for smooth, easy control; W.A.R.P Drum; Fall safe anchor lock; Robust/reliable worm gearbox; Optional manual override motor gearbox; 12 Volt; For Boats up to 40ft; Click here to download Lewmar V1 Vertical Windlass Owner's Manual