Neiko 00906 Tap & Die Threading Kit, Forged Alloy Steel | 45 Piece Set Metric tap and thread die set for both internal and external threading; made to fit the needs of machinists and mechanics Manufactured with hardened, heat treated alloy steel for increased durability and longer service life Includes tap and dies with both coarse and fine threading for different metals and applications Tap and die sizes: M6x0.75, M6x1, M8x1, M8x1.25, M10x1.25, M10x1.5, M12x1.5, M12x1.75, M14x1.5, M14x2, M16x1.5, M16x2, M18x1.5, M18x2.5, M20x1.5, M20x2.5, M22x1.5, M22x2.5, M24x1.5, M24x3 Set also includes die stock handle wrench, adjustable tap handle wrench, T handle tap wrench, die adaptor, stubby screwdriver and comes in blow-molded case