ARRIS 4 Pairs 5042 3-Blade Durable Propeller Blade for FPV Racing Drones (Transparent) This newly released 5in propellers are very powerful and well ballanced. It has 10% higher effeciency than normal propellers. Pefectly suitable for FPV racing. Advanced equipment and first-class technical staff, to ensure all the propeller quality as A. Tested and appvoved by many top pilots before mass production. Recommend motors: 2205 (3-4S), 2206 (3-4S), 2306 (3-4S)