The double hull tender sized from 360cm to 950cm, we call Bass boat. For Grand marine inflatable and aluminum hull rib boat BB760, its main inside keel is made of 10mm aluminum plate. Its bottom hull and transom pad are made of 5mm aluminum plate. Boat has 260L built in fuel tank. This is luxury sport rigid boat model. Inner boat width is 175cm and boat tube diameter is 56cm. Boat stability is superb. A 40' container could load 2ps of this model boat.