20pcs Hand Tap and Die Set Screw Thread Reamer M3-M12 Twist Drill Bit Tool Kit
[9 PCS DIE]:M3x 0.5、M4x 0.7、M5x 0.8、M6x 1.0、M7x 1.0、M8x 1.25、M9X1.25M、Ｍ10x 1.5、M12x1.75MM.It is suitable for thread repair.The thread is clear and sharp, the size is standard, the cutting is sharp, and the tapping is labor-saving.