Features:
High quality and durable in use. 
Easy to install.

Specifications: 
100% Brand New. 
High Performance 1240 12*4.0 3-Hole Carbon Fiber Propeller. 
Material: Carbon Fiber 
Length: 12 inch 
Screw pitch: 4.0 
Center hole diameter: M4 
Fixture hole diameter: M3 
Fixture hole pitch: 12mm 
Suit for: 650/680/690 T-Motor Multirotor Quadcopter. 

Package list: 
1 * 1240 3-Hole Carbon Fiber Propeller Prop CW 
1 * 1240 3-Hole Carbon Fiber Propeller Prop CCW