Stanley 20-047 20-Inch Blade Length x 12 Points Per Inch FatMax Saw with Blade Armor Coating BladeArmor composite coating protects the blade with 2x more rust protection Blade is 15% thicker than conventional saws for straighter cuts with less binding SharpTooth Saw Technology uses three cutting surfaces to cut 50% faster thanconventional Stanley hand saws Induction-hardened teeth stay sharp up to five times longer than standard teeth. Back of saw can be used to mark 45 and 90 angles Limited Lifetime Warranty BladeArmor composite coating protects the blade with 2x more rust protection, 6x more abrasionprotection, and 50% less friction (compared to Stanley lacquered saws) Blade is 15% thicker than conventional saws for straighter cuts with less binding SharpTooth Saw Technology uses three cutting surfaces to cut 50% faster thanconventional Stanley hand saws Induction-hardened teeth stay sharp up to five times longer than standard teeth. Back of saw can be used to mark 45 and 90 angles Limited Lifetime Warranty