Rigid Inflatable Boat HYP520 Product Description Over Length : 520cm Tube Diameter : 52cm Gross Weight : 240KG Max Passenger : 5 Packing Size : 460*180*120 Floor Type : Double FRP Net Weight : 220KG Over Width : 228cm Air Chamber : 5 Max Engine : 80 HP Max Loading :650kg. Carton packing size : 460*180*120.