Description: brand new and high quality Feature: Self-locking tension enhanced propeller for . Self-tightening design avoids prop becoming loose during operation and potentially flying away. 9450 provides for extra thrust and better power efficiency than the 9443. Higher tension, easy to install. Silver is clockwise and black is counter clockwise. Suitable for all Phantom version(for Phantom 1/2/2 Vision+/3/FC40/E300). It is self-tightened. So you don'for t worry to lost it when your drones are flying Propellers only, other accessories demo in the picture is not included! Specifications: Item Type: Propellers Material: Plastic Singe Size: 24x1.2x3.2cm/9.4x0.4x1.2in Color: White Quantity: 8pcs/4pair Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 8 x Propellers