Get excellent performance from your scroll saw! Olson has been a leading manufacturer of scroll saw blades for almost a century. Olson blades are for use with scroll/jig machines sold by Delta, DeWalt, Dremel, Skil, Rockwell, Pro-Tech, Powermatic, RB Industries, Hegner, Sakura, Shopsmith, Excalibur, Rexon, Ryobi, Sears Craftsman and Makita – virtually all domestic and imported saws. They can also be used in hand held fret and jewelers saw frames. 4 Packs of 36 Blades Each.