DEWALT DW4747 XP 12-Inch Dry Cutting Diamond Segmented Saw Blade with 1-Inch Arbor for Asphalt, Brick, and Concrete Extended performance diamond matrix provides 350x's the life of conventional abrasives and enhanced material cutting Segmented rim blades are laser welded with heat treated steel bodies which provides increases durability and long life Large diamond segments with cobalt is ideal for use across varios product applications 12-inch diameter blade; 1-inch arbor; .125-inch edge thickness Includes saw blade with brass adapter