This is my first Olson blade. I've been using a set knife for quite some time. One piece of wood started smoking like crazy and cutting was very slow. My shop has a smoke alarm so I stopped cutting it so it wouldn't work. I thought it was just very hard wood. nope I swapped out the blade for an Olson blade and it cut like soft jaws. Now I must figure out how to get rid of my bold dull blade.