HOBBYTIGER 5040 5x4 3-Blade Propeller Glass Fiber Nylon Props for 250 Quadcopter Racer QAV250 ZMR250 FPV Multi-Rotor - Perfect for 210mm to 290mm Frame ( 8 Pairs ) 5040(5x4'') props,8 pairs red props(cw+ccw). Hobbytiger- Best replace propeller for 210-290 sized quadcopters, hexacopters and FPV racers like: QAV250, ZMR250, FPV250,H250,blackout,and other quad kits. Compatible motors:2206 2204 1806 etc. Made with high quality ABS plastic for maximum performance, durability and balance. Well balanced, well-made durable material to sustain crash. Bright easy to see colors make your quad visible in the air.