BLACK+DECKER Pr824 24T 7-1/4-Inch Carbide Saw Blade Resharpenable blade Ideal for use on a variety of surfaces Provides fast and smooth cuts Heat Vents reduce heat for longer life (for applicable blades) Highest Performance blade: longer life, greater durability and truer cuts Reinforced shoulder design reduces kickback (for applicable blades) Expansion slots prevent warping Heat Vents reduce heat for longer life (for applicable blades) Highest Performance blade: longer life, greater durability and truer cuts Reinforced shoulder design reduces kickback (for applicable blades) Expansion slots prevent warping