RAYCorp - Genuine Gemfan 5045 5x4.5 Propellers. 16 Pieces(8 CW, 8 CCW) 5-inch Quadcopter and Multirotor Props PACK OF 16 PROPELLERS, 8 Clockwise (CW) & 8 Counter-Clockwise (CCW) - Color : Orange (8 props) & Black (8 props) One of the Best Selling and Most Used Propeller for 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 250 sized FPV racers like : QAV250, HK250, Walkera 250, FPV250, Blackouts & other multirotors, quadcopters and hexacopter. RAYCorp is an authorized US dealer of Gemfan Hobby Co Ltd