AvatarRC Geniune Gemfan 5030 (5x3) Black Propellers for 250 Size Quadcopters and Multi-rotors - Perfect for 210mm to 300mm frames 100% Real and Genuine High Quality Gemfan 5030 (5x3) Propellers Most Popular size Propellers for FPV 250 class Racers like ZMR250, Blackout 250, Blackout Mini, and other quad kits Used by some of the Best FPV 250 Racers and pilots 8 total propellers, 4 clockwise (CW) and 4 counterclockwise (CCW). Can properly fly two quad drones or use as spare propellers Get longer flight time than comparable 5" propellers