This propeller is made of high quality Fiber Reinforced Plastics, which is extremely and durable and It is just designed for 550 RC helicopter .
You can expect an increase in overall motor efficiency with this excellent propeller.
High Thrust
High durable
Extremely
Fiber Glass 550mm main blades
Suit for RC 30 class helicopter & 550 helicopter
Parameter:
Length: 21.6 Inch/550mm
Material: Fiber Glass
Shaft Hole diameter: 4mm
Product weight: 226g
Package list:
1 pair Fiber Glass 550mm main blades
e: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.