Adopts the 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
- Carbon fiber forward propeller---1447*1
- Carbon fiber reverse propeller---1447*1
- The Bore Dia is 6.3mm, comes with 4 pcs washer,2 pcs 5mm,2 pcs 6m
- very strong and light weight