DEWALT DW4744 14-Inch Diamond Segmented Saw Blade with 1-Inch Arbor for Cured 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 High-torque tested to ensure top-performance and give you piece of mind Includes brass adapter for use with tools that have 1-inch and 20-millimeter arbors