18x 5.5 Heavy Duty Carbon Propeller Set (one CW, one CCW)

Features
-Suit for large scale aerial photography multi-copters.
Product Details
-18x 5.5 Heavy Duty Carbon Propeller Set (one CW, one CCW)
-Size: 18 x 5.5
-Weight: 33g
-Material: 3K Carbon
-Mounting method: direct mounting to motor
-Central Hole diameter: Φ4mm
-Mounting screw hole diameter: Φ3mm