Yamaha - M/T Series Turbo Offshore II Propeller - 3 Blade - 15" x 18 Pitch - RH Rotation - MAR-15018-0R-E0. This stainless-steel, three-blade propeller has outstanding speed and fuel efficiency at cruising RPM's. It is excellent for 200HP - 300HP V6 offshore-type applications in single or multiple-engine configurations. All Turboprops are polished stainless steel, designed and built for high performance for all Yamaha outboards. They are manufactured by Yamaha Marine Precision Propeller Industries, Inc., a wholly-owned subsidiary of Yamaha.. MAR-15018-0R-E0 - OFFSHORE II 15 X 18 R