KAKAK High Performance Propeller, Marine Boat Propeller 7 1/2x7-BA, 4-5-6 Outboard For Boat Engine Parts

Made of high gth metal, and long lasting finish. It has excellent toughness and corrosion resistance. Good design, good quality, and perform well, efficient outboard propeller.Improve handling and boat lift. Tuned Vents for Fast Hole Shot. Improve handling and boat lift. The marine propeller has stable performance and precise design. It uses materials to make it and make thinner wings, each with stability, speed, efficiency and durability. A device that converts engine rotational power into propulsive force by rotating blades in air or water, with three blades connected, and a ship propeller with a spiral surface on the back side of the blade.