RAYCorp&reg; 5040 5x4 High Quality Propellers. 16 Pieces(8 CW, 8 CCW) Genuine 5-inch Quadcopter and Multirotor Props Pack of 16 Propellers, 8 Clockwise (CW) & 8 Counter-Clockwise (CCW) - Color : Red (8 props) & Black (8 props) + 1 RAYCorp battery strap One of the Most Used Propeller for 280, 210 and 250-sized quadocopters, hexacopters and FPV racers 100% Genuine & Brand New. Made with High Quality ABS Plastic for Maximum Performance, Durability and Balance. Perfect for 280, 250 and 210 sized FPV racers like : QAV250, HK250, Walkera 250, FPV250, QAV250, Blackouts & other multirotors, quadcopters and hexacopter. Works well with the following motors : all 1806, 2204 & 2206 motors