Positive and Reverse Propeller 12*4.5 for SMQ Quadcopter/ X4-Flyer/ Multicopter
You will receive 4 pairs
Specifications:
Diameter: 12in/ 304.8mm
Pitch: 4.5in/ 114.3mm
Center Aperture Dimension: D6*H9.7mm (diameter can be changed by revising the ring group)
Recommended Motor:..