RAYCorp 8045 8-Inches Propellers, Pack of 8 (4CW,4CCW), Black Pack of 8 Propellers, 4 Clockwise (CW) & 4 Counter-Clockwise (CCW) - Color : Black (8 props) + 1 RAYCorp battery strap One of the Most Used Propeller for 330 to 450-sized quadocopters, hexacopters and octocopters 100% Genuine & Brand New. Made with High Quality ABS Plastic for Maximum Performance, Durability and Balance. Perfect for 330 to 450 sized multirotors like : DJI Phantom, F450, F550, TBS Discovery, Walkera QRX350 & other quadcopters, hexacopters and octocopters Top-Notch Manufacturing Standard for Optimal Product Quality