Check the listing for details. 7 Inch Plastic Fan Blade Circulation Fan Blade Replacement, Black. Condition: New. Listed at 17.52 USD. [WHAT TO GET]: This fan blade is specially designed for the replacement of old and aged fan blades. Made of plastic, lightweight and strong in toughness, resistant to impact. Adopting a central D-shaped hole design and carefully optimized 3-blade design, it has low wind resistance during rotation, operates quietly, and produces extremely low noise.[WHEN/WHERE TO USE]: The air flow fan blades are suitable for the installation, maintenance, or replacement of circulation fans in living rooms, bedrooms, study rooms, kitchens, as well as offices, conference rooms, convenience stores, workshops, and other places, providing you with comfortable ventilation conditions.[WHAT IT IS]: Outer Diameter: 170 mm / 6.7 inch, Hole Diameter: 6 mm / 0.24 inch, Height: 32 mm / 1.26 inch, Package Content: 1Pcs Plastic Fan Blade.