RC Planes 50mm Ducted Fan 12‑Blade Propeller Ducted Fan for 3300 4000 4600 5000KV MotorPositive Propeller

Feature: 1. Fully injection‑molded compound, high rigidity and hardness, greatly reduces damage rate. 2. Perfect dynamic balance of the blades and good coordination between the fan ducts. 3. More stable, has been tested for good aerodynamics, and has excellent power. 4. Compatible for QF2611‑3300 4000 4600 5000KV brushless motor, fit for most RC plane. 5. Made of high quality material, which makes it durable, sturdy and has a long service life. Specification: Item Type: RC Ducted Fan Material: Plastic Color: Black Ducted Fan Length: Approx. 39.08mm 1.5in Ducted Fan Mouth Maximum Diameter: Approx. 63mm 2.5in Ducted Fan Inner Diameter: Approx. 54mm 2.1in Weight: Approx. 46.0g 1.6oz Number of Paddle: 12Pcs Fit for QF2611‑3300 4000 4600 5000KV Brushless Motor. Package List: 1 x Propeller1 x Duide Ring1 x Ampty Ducted Fan1 x Fan Cap5 x Screw1 x Main Shaft2 x Inner Hex Screw Note: 1. Manual measurement, please allow 1‑3mm 0.04‑0.12in error, thank you.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Does not include motor