(24) Olson Scroll Saw Blades for Thick Wood Variety Pack, One Dozen of Each Size Two Dozen Thick Wood Olson Variety Pack, One Dozen of each 5 " Plain End Blade for Soft / Thick Wood from 3/4" to 2" Hardened and tempered teeth for extra blade life One Dozen is Width .050 Thickness .018 TPI 7 Hook Sytle One Dozen is Width .050 Thickness .014 TPI 7 Hook Style