Made from M2 laminated tool steel, these Dewalt disposable reversible planer blades are designed to stay sharper and last longer than conventional blades. They have a double-edge construction for reversible, two-sided performance that brings a great finish to your project. They have machined locator holes to help you align the knives on the cutter head for easy installation. The blades are designed for use with Dewalt planer model series #DW735. The package contains 3 blades.