Features：
Foldable, ultra strong and light weight
Higher tension,Smoother,responsive , low noise, quieter flight
More energy saving flight
Quick release, easy to install and remove
Specifications:
Model: 8743 Low-Noise Propeller
Diameter × Thread Pitch: 8.7 × 4.3 in (22.00 × 10.92 cm)
Weight: 7.9 g for each
Package include:
4 pairs 8743 Propeller(4CW+4CCW)