A set of 2 HQ propellers, 3 blade style with a 5mm center hub. A good prop for small planes and multi-rotors. (multi-rotor applications would need both CW and CCW). Best propeller for disk loading theory.
INCLUDES
2x 4x4.3x3 CW VS1 propellers
2x 4x4.3x3 CCW VS1 propellers