Lewmar V700 G 12V 6/7 mm 1/4" Vertical Windlasses 100% 316 stainless steel deck unit IP Rated Housing. Fits calibrated chains- 6mm DIN766, 1/4 inch G4 or BBB, 7mm DIN766 For boats up to 10.5m (35 ft.). Motor power: 320 Watts 5-year warranty