Features:

High quality 100% 3K all carbon fiber board which imported from Japan improve material.

Each pair of propellers has perfect dynamic poise and static balancing which balance by manpower.

Especially improves the air-powered efficiency and aerofoil stability.

High quality ultra-light carbon fiber propellers especially designed for multicopters.

Carbon fiber forward propeller*2

Carbon fiber reverse propeller*2

Length:8/9/10/11/12/13/14/15 inch,Pitch 5.5,Main Hole Dia 4mm,Side Holes Dia 3mm,Center distance 12mm