this is a made of high-quality PP plastic blower fan, the fan blade rotating diameter: 50mm, axis diameter: 2mm, the fan blade height: 19mm, consisting of nine leaves, and now it is a translucent color, if the number of can also be made according to the color according to customer specified, the wind leaf in the experiment, instruction is widely used, 5000 set, welcome come to the procurement of the needs of the business, preferential prices, fast delivery, product model; SD2013-40