2pcs Thread Taps:Thread Size: M10 x 1 (Right Hand); Total Length: 80mm / 3.15"; Thread Length: 23mm / 0.91"; Square Shank Width: 7mm / 0.28"; Accuracy: H21pcs Round Die:Thread Size: M10 x 1 (Right Hand); Outside Diameter: 30mm / 1.18"; Thickness: 8mm / 0.31"Descriptions:M2 (6542) high-speed steel taps offer high hardness, good toughness, wear resistance, and excellent cutting performance. 9SiCr alloy tool steel die provides excellent hardness, toughness and wear resistance for durability. Tap and die set can accurately cut, repair or clean threads. Straight flute tap process through holes or shallow blind holes and remove chips downward. Round die is suitable for threads on rods, bolts, screws, pipes and shafts, or just remove bolts and threaded rods.