DEWALT DW7649 80T Fine Crosscut Blade, 12-Inch Large C4 micrograin carbide teeth are precision-ground with fine-grit diamond wheels so each tooth planes the wood for an exceptionally smooth finish. Woodworking Blade Re-sharpening Service re-sharpens blades to original factory specifications to extend the overall life of the blade. Heavy-gauge laser-cut hardened and tempered steel plate is precision-balanced for accurate cuts producing tight joints.