DeWALT® Circular Saw Blade, Series: Atomic, 4-1/2 in dia Blade, 3/8 in Arbor/Shank, 4-1/2 in Cutting Width, 1-1/2 in Cutting Depth, 0.063 in kerf, 5000 rpm Maximum, Applicable Materials: Concrete and Thin Metal DeWALT® DWA412PCD Atomic Circular Saw Blade, 4-1/2 in dia Blade, 4-1/2 in W x 1-1/2 in D Cutting, 3/8 in Arbor/Shank