RAYCorp - Genuine Gemfan 4045 Bullnose 4x4.5 Propellers. 16 Pieces(8 CW, 8 CCW) 4-inch Micro Quadcopter and Multirotor Props + 1 RAYCorp battery strap PACK OF 16 PROPELLERS, 8 Clockwise (CW) & 8 Counter-Clockwise (CCW) - Color : Orange (8 props) & Black (8 props) The #1 Best Selling and Most Used Propeller for sub 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 210 and 180 sized FPV racers like : QAV210, QAV180, ZMR210, ZMR180, SRD 180, SRD 210 or Walkera F210 & other multirotors, quadcopters and hexacopter. RAYCorp is an authorized US dealer of Gemfan Hobby Co Ltd