Iflight iPush12 Pair 5045 Bullnose 2 blade PC+Glass Fiber Propeller Prop CW CCW for DIY FPV Racing Drones Quadcopter Multirotor like Robocat 270 QAV280 250 ZMR210 QAV210 Bullnose Design,more violent, large frontal area, essentially equivalent to 6 inch propeller High quality, made of PC + 10% glass fiber material Pass dynamic Balance testing, well blancedstrengthened design near propeller hole, almost Indestructible Different color: black green red orange