Please kindly search WOWO in wish， you can find more PROFESSIONAL TOOL，if you buy two or more stuff in our shop， we will send you a surprising gift，if you buy more， you can get more!!20pcs M3-M12 Screw Thread Metric Plugs Taps & Tap wrench & Die Wrench SetMake of alloy steel and the hardness is up to 62 degrees.With heat treatment， tapping speed and the screw thread is precision.Total 20 pieces set， useful tools for your work :)Package list :Total hand tap : 9 piecesM3 * 0.5 (pitch=0.5 mm) M4 * 0.7 (pitch=0.7 mm) M5 *0.8 (pitch=0.8 mm)M6 * 1.0 (pitch=1.0 mm) M7 * 1.0 (pitch=1.0 mm) M8 * 1.25 (pitch= 1.25 mm)M9 * 1.25 (pitch=1.25 mm) M10 * 1.5 (pitch=1.5 mm) M12* 1.75 (pitch= 1.75 mm )Total hand die : 9 piecesM3 * 0.5 (pitch=0.5 mm) M4 * 0.7 (pitch=0.7 mm) M5 *0.8 (pitch=0.8 mm)M6 * 1.0 (pitch=1.0 mm) M7 * 1.0 (pitch=1.0 mm) M8 * 1.25 (pitch= 1.25 mm)M9 * 1.25 (pitch=1.25 mm) M10 * 1.5 (pitch=1.5 mm) M12* 1.75 (pitch= 1.75 mm )Tap Wrench (range) : 1piece M3 - M12 (1/16\"-1/2\")Die Hand : 1piece M25 (1\") Package includes : 1 x 20pcs M3-M12 Tap Die Set