For 16 x 21 1/2 Mercury Propeller, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our 16 x 21 1/2 Mercury Propeller has been well received by many customers and enjoyed a good reputation in many countries. Captain Marine 16 x 21 1/2 Mercury Propeller have characteristic design & practical performance & competitive price, for more information on the 16 x 21 1/2 Mercury Propeller, please feel free to contact us.