Specifications: Taper size: MT2; cutting diameter (Max.): 18mm / 0.71"; cutting diameter (Min.): 15mm / 0.59"; accuracy class: H8. The reamer set reams the Morse Taper shape, and provide coarse and finish cuts. Material and Coating: Made of alloy tool steel, the reamers have high hardness and durability. Features just the base substrate without any coatings, suitable for wide ranges of applications. Wide Applications: Used for mold processing, handicraft processing, and bore machining. Suitable for accurate reaming in aluminum, cast iron, copper, plastic, wood, and other soft materials. Easy to Use: Can be hand operated by use of wrenches. Great for light cut, repair work, or simply for enlarging holes. Always keep reamers clean, and used with machine oil for long service use. Straight Flute: Straight flute tools allow chips to collect in the flutes when cutting. Well suited for most applications in shallow cuts.