The Gemfan Hurricane 51433 3-Blade has been designed as a high-speed propeller, providing a better flight experience for freestyle and FPV shots. With a prop diameter of 129mm, 3.5 inch pitch, 5mm shaft hole, and weight of 3.8g, these props are perfect for any 5″ quads and are suitable for BETAFPV 2306 Brushless Motors.