High quality tungsten alloy steel set containing popular metric tap and dies with accessories to suit. Heat treated and tempered for strength and durability. Tapered coarse and fine taps start easily and prevent over threading. Dies are split to allow for fine adjustment of core diameter. Sizes M6-M24 packed in metal case for safe keeping. Suitable for cleaning, cutting new or chase lightly damaged internal and external threads. Contains 20 taps, 20 split dies (adjustable), 2 tap wrenches in small (M6 to M12) and large (M8 to M24). 2 x 2" diameter die stock with (1 1/2") adaptor. 1 screw driver. Sizes: 1 1/2" Dies M6 x 1.0, M6 x 0.75, M8 x 1.0, M8 x 1.25, M10 x 1.25, M10 x 1.5, M12 x 1.5, M12 x 1.75, M14 x 1.5, M14 x 2.0, M16 x 1.5, M16 x 2.0, M18 x 1.5, M18 x 2.5. 2" inch dies M20 x 1.5, M20 x 2.5, M22 x 1.5, M22 x 2.5, M24 x 1.5, M24 x 3.0. Taps M6 x 1.0, M6 x 0.75, M8 x 1.0, M8 x 1.25, M10 x 1.25, M10 x 1.5, M12 x 1.5, M12 x 1.75, M14 x 1.5, M14 x 2.0, M16 x 1.5, M16 x 2.0, M18 x 1.