It was designed for a heavy agricultural drone that can endure tough conditions. The prop has a size of 28-32 inches and can produce a maximum thrust of 17.5 kilograms. it is widely used in agricultural drones due to its high performance and cost-effectiveness. The silver version has been tested to be 5℃ cooler than the black version. This makes it ideal for applications that are often exposed to sunshine. The bearings are also larger and more durable compared to the black version.