The Aaon G009610 Fan Blade 3B, having a 1/2 inch bore, rotates clockwise and is a vital component in HVAC systems. It has three blades, a 1/2-inch bore, and turns in a clockwise manner. This fan blade effectively circulates air throughout the unit, ensuring excellent cooling and heating performance. It is made of sturdy steel and is balanced for smooth and quiet operation. https://www.partshnc.com/g009610-aaon-fan-blade-3b-12-bore-cw