18 Pack, 5", Pin End Scroll Saw Blade, Assorted, 6 Blades Each Of #"s 42401, 41101 & 41201, 42401, 18.5 TPI,.080" Wide,.010" Thick, For Cutting Hard/Soft Wood, Plastic, For Very Thin Cuts In Material 3/32" To 1/2" Thick, #41101, 15 TPI,.100" Wide,.018" Thick, For Cutting Wood, Felt, Wallboard, Bone, Plastic, Etc, #41201, 10 TPI,.100" Wide,.018" Thick, For Cutting Hard/soft Wood & Plastic Etc.