JMT 1pack of 4 Pairs 13x6.5 3K Carbon Fiber Propellers CW CCW 1365 CF Props 13inch for DIY RC Quadcopter Hexacopter

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---1365*4
Carbon fiber reverse propeller---1365*4

The Bore Dia is 6.3mm, each pair comes with 4 pcs washer,2 pcs 5mm,2 pcs 6m
very strong and light weight.