RaceKraft new Props - The new Props in this industry is RaceKraft. These props were among the most popular during the 2016 Drone Nationals held at Governor's Island in New York City and most of 2016. RaceKraft Props are made to perform and withstand today's rigorous FPV races. Combined with extensive color combinations, and durable plastic, these are one of the best props for racing. Make sure you finish the race and look good while doing so!Each order has four propellers and contains two regular (3030) and reverse (3030). Give this 5051 tri prop a try, We are positive you will not be disappointed!