Rugged aluminum centre case and durable composite side covers. For boats up to 28 ft. Maximum line speed/min.: 98 ft. Typical working load: 137.5 lbs. Maximum pulling power: 550 lbs. Low power consumption/current draw. Dual direction power operation. Manual freefall. Convenient above-deck installation. Use with 1/4″ G4 or BBB, 7mm DIN 766 chain, 1/2″ (12mm) 3-strand and 8-plait rope. 3 year warranty.