and high quality Made of high-quality materials, more Colour:As Shown Material:Metal 20pcs Set included: 1 piece Adjustable Tap Wrench(M3-M12) 1 piece Adjustable DieTwisted Hand 9pcs Tap Stock: M3*0.5 / *0.7 / M5*0.8 / M6*1.0 / M7*1.0 / M8*1.25 / M9*1.25 / M10*1.5 / M12*1.75. 9pcs Die Stock: M3*0.5 / *0.7 / M5*0.8 / M6*1.0 / M7*1.0 / M8*1.25 / M9*1.25 / M10*1.5 / M12*1.75. It is generally recommended to use for materials with a hardness below 25 degrees, such as cast iron, plastic, etc. Materials like stainless steel and quenched iron have a higher hardness and this tap cannot be used! Package Contents: 1 set * metric manual screw tap(20-piece) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.