The Grainger 14U089 is a 14-inch diameter, 3-blade, aluminum propeller for small unmanned aerial vehicles (UAVs). It has a pitch of 4.7 inches and is designed for electric motors with a power range of 100 to 300 watts. The propeller is made from durable 7075 aluminum alloy and has a black anodized finish. With its lightweight design and optimized blade shape, this propeller provides high thrust while minimizing vibration and noise. The precision balancing helps ensure smooth operation. Overall, this propeller is well-suited for small UAVs using electric power systems up to 300 watts.