You get SIX DOZEN Blades ! Get One Dozen of each Size ... #2/0,1, #3, #5, #7, #9. * Extra hard, long lasting, straight skip-tooth blades for wood, plexiglass and various plastics. * Polar Blades work great on 3-D projects and very good to cut Corian. * The teeth are off-set just a little which makes the # 5 the favorite for cutting plastic and corian.