Overall Length: 24"Impeller Size: 5" DiameterShank: 3/8" HexMaterial: SteelFor Use With Electric Drill In 5 Gallon ContainersUse To Mix Drywall Compound, Driveway Sealer, Paint And MoreHexagonal Shaft For Positive Chuck EngagementPlated Coating Resists Corrosion And Allows Easy Clean UpFeatures 2 Adjustable Blades For A Unique Design That Breaks Up Lumps Faster As Lower Blade Forces Material Upward While Upper Blade Pushes Downward To Create Counter Flow