20-Inch Replacement Fan Blades are crafted from thickened aluminum alloy, boasting a sturdy build that minimizes vibration during fan operation for stable performance. 12mm bore of 20-Inch Replacement Fan Blades ensures precise alignment with compatible fan motors, restoring optimal airflow efficiency once installed. Side screw-fixed Pedestal Fan 20 Inch blades feature a simple installation process: align with the axle notch and tighten screws to complete replacement in minutes. Thickened aluminum construction of Replacement Fan Blades ensures long-lasting durability, resisting bending and wear even in frequent-use settings. design of Pedestal Fan 20 Inch blades fits multiple fan types including industrial crawl fans, making it easy to replace old or damaged parts.