Syutokul 18 inch Aluminum Alloy Fan Blades Replacement for Pedestal Fans 12mmThese replacement fan blades measure 18 inches (450mm) in diameter with a 12mm inner hole, compatible with industrial floor fans, pedestal fans, and table fans. The thickened aluminum alloy construction provides substantial weight that reduces vibration during operation for stable, consistent performance. The three-blade design offers balanced airflow, while the grooved inner hole enables straightforward installation by aligning with the motor shaft and tightening. Ideal for refreshing fan functionality in workshops, warehouses, outdoor patios, and home spaces.Itemweight0.86 poundsProductdimensions17.3 x 0.8 x 17.3