Feature●Product Name: Airplane Propeller; Screw Propeller●Materials: Type: 3814; Plastic; Black●(Size) Hole Diameter: 0.2 inches (4 mm); Diameter: 1.5 inches (38 mm); Pitch: 0.06 inches (1.4 mm); Paddle: Positive; Number of Leaves: 2; Pack of 1●【Easy to Install】: Three blade propellers are easy to install and remove●【Uses】: Small, lightweight and easy to carry. The reinforced nylon material is resilient and pressure-resistant, which increases the durability of the propeller. Easy to install, once installed, you dont have to worry about it falling offDescription