Mercury – Quicksilver Black Diamond Propeller | 9.9" Diameter x 11" Pitch | Right-Hand Rotation | 3-Blade | Aluminum | High-Gloss Black Finish | QA3810R Hydrowave & Fishing Gear • Helps Protect the Fuel

• Helps Protect the Fuel System – Reduces the risk of clogged injectors

The included rubber hub also absorbs shock and reduces vibration for a smoother ride

giving your boat steady acceleration without jerky starts or lag

and keeps your engine running cool

Mercury – Quicksilver Black Diamond Propeller | 9.9" Diameter x 11" Pitch | Right-Hand Rotation | 3-Blade | Aluminum | High-Gloss Black Finish | QA3810R Hydrowave & Fishing Gear • Helps Protect the FuelMercury Quicksilver Black Diamond 3 Blade Aluminum Propeller 9. 9" Diameter x 11" Pitch Right Hand Rotation 3 Blade Aluminum High Gloss Black Finish QA3810R Overview. Theres something incredibly satisfying about running a prop that just feels right the kind that gives your boat steady lift, smooth acceleration, and a confident sense of control no matter the water. The Quicksilver Black Diamond 9. 9" x 11" Pitch Propeller (QA3810R) does exactly that.