Replace an old or dull saw blade with the Silky Saws Blade Only for Gunfighter Professional Saw. The progressive teeth are finer near the handle and get progressively larger allowing for smooth starts and productive finish of each stroke. The teeth are impulse-hardened & stay sharper three times longer than non-hardened teeth. This reliable saw blade has a limited lifetime warranty against defects in materials & workmanship. Update your saw with a replacement blade today.