20X Hand Tap and Die Set Screw Thread Reamer M3-M12 Twist Drill Bit Tool Kit-

(Tap holder wrench ( M3-M12 ) 1 pc + die holder wrench （25mm ) 1pc. 9 PCS SCREW TAP: 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.

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