Feature: 1. A good accessory for multi‑wing centrifugal fan, easy to install 2. The product is made of galvanized sheet, strong and durable, possess long service life 3. Direction of the wind wheel is A direction, please pay attention to the way of use 4. Come with screw fixed, stable and firm, you can use with confidence 5. Advanced technology with excellent craftsmanship bring smooth surface, which will not hurt your hands  Specification:     Item Type: Multi-Wing Centrifugal Fan Wheel Material: Galvanized sheet Fixing Method: Screw fixation Fixed Shaft Size: Approx. 14mm / 0.6in Wind Wheel Direction: A direction Diameter: Approx. 175mm / 6.9in Height: Approx. 76mm / 3in       Package List: 1 x Multi-Wing Centrifugal Fan Wheel