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.
 
Propeller size 18x5.5 (1855)
 
Length:  18 inch
Pitch:      5.5
Main Hole Dia 4mm
Side Holes Dia 3mm
Center distance 12mm
 
package includes:
1 pair propellers 18x5.5
1prop clockwise 
1prop counter clockwise