Features:
100% Brand new and high quality!
Very strong and light weight.
Long lasting and easy to install
Stable and Shock Proof 
Perfect for RC Quadcopter Multi-Copter
 
Specifications:
Material: PC & Fiber
Length: 5.0 inch
Screw Pitch: 4.0 inch
Central Hole Diameter: 5mm
Color: Green
Net Weight: 52g
 
Package includes:
10 x 5040 propeller CW 
10 x 5040 propeller CCW
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