High Quality RUIYING Metal Wind Vane Wind Direction Measuring Instrument-Safety Product

High Quality RUIYING Metal Wind Vane Wind Direction Measuring Instrument-Safety Product. Specification: Standard color. Red. Material: high-quality carbon steel engineering plastics. Weight: 8 kg (without bracket) Process. Electro-galvanized, spray. Gyration radius. Diameter of rotating blade. Fan area. 11m² (unilateral) Mechanism. Deep groove ball bearing rotating vice. Optional accessories. 2 m bracket.