Description:Carefully selected material enables this tapping chuck to have extraordinary performance in hardness, high strength, abrasion resistance and durability.Since the torque of this tapping chuck can be adjusted, you can adjust it according to the different materials, which is pretty convenient and professional.This tapping chuck is mainly made of high speed steel, which is anti-corrosion and sturdy.Its length is 30mm, its width is 19mm, and there are different specifications for you to choose, including M3, M4, M5, M6, M10, M12.It is suitable for electrical drills, milling machines and so on.Item Name: Tapping ChuckMaterial: High Speed SteelSpecification: M3, M4, M5, M6, M10, M12Size Details: 30 x 19mm/1.18" x 0.75" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Tapping Chuck