Roman Carbide DC1261 1-1/2-Inch Bottom Cleaning, 1/2-Inch Shank Go to amazon.com Related posts 10 best flattening bit for 2022 FeatureA = 1-1/2 Inch Cutter DiameterB = 7/16 Inch Cutting LengthC = 2-1/4 Inch Overall Length1/2 Inch Shank Diameter DescriptionRoman Carbide 1-1/2in Bottom Cleaning 1/2in Shank DC1261