The Grainger 14F907 is a 14-inch diameter, 3-blade, aluminum propeller for small unmanned aerial vehicles (UAVs). It has a pitch of 7 inches and is designed for electric motors up to 400 Kv. The propeller is made from durable 7075 aluminum alloy and uses a set screw hub attachment. With its lightweight design and optimized blade shape, this propeller provides high thrust while minimizing amp draw. The 14F907 works well for fixed wing UAVs weighing 800g to 5kg.