Product Specification Material: Alloy Steel Thread Direction: Right Package list : Total hand tap : 9 pieces M3 * 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 pieces M3 * 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 Fits for professional or daily use Hand tools high quality tap set and die set metric thread tap and dies adjustable tap wrench 20pcs M3-M12 Screw Thread Metric Plugs Taps & Tap wrench & Die Wrench Set Make of alloy steel and the hardness is up to 62 degrees. With heat treatment, tapping speed and the screw thread is precision. View More details