multi-rotors. (multi-rotor applications would need both CW and CCW). HQ designers have collaborated with both the frame manufacturers and notable pilots to develop a vast range of higher performing, more efficient, and more durable props for FPV racing. The V1S series is their latest addition to their line of affordable and well-performing props. Specifications Type: Multi-Rotor Material: Polycarbonate Length: 6 #34; Pitch: 4 #34; Blades: 3 Weight: 5.7g ea. Center hole diameter: 5mm Includes 2x 6x4x3 CW V1S propellers 2x 6x4x3 CCW V1S propellers