If you are looking for an anemometer wind cup with reliable material, I will tell you that our product will be your . It adopts carefully selected ABS material, can keep it for a long time. Uniform layout of to ensure measurement accuracy. Features -Color:Black -Material:ABS -Size:15.00X15.00X6.20cm/5.89X5.89X2.44in - Made of selected ABS material which features with stability and durability, very hard and smooth for durable usage. - 3-cup design, speed of the wind can be determined according to the speed of the wind cup. - Effective wind-speed monitoring, wonderful and practical present for a weather observation lover. - 3-cup Sensor is a to replace your broken or old anemometer measuring cup. - It suitable for direction measurement, and agricultural intelligent wind-speed direction measurement. Package list: 2 x Meters