Specification Brand : Garosa BulletPoint1 : [Ease of Use] Easy to operate, convenient to use, and quick to punch, making your work efficient. BulletPoint2 : [Stable Performance] It offers stability and outstanding performance for reliable results. BulletPoint3 : [Smooth The fine is smooth and unblemished, ensuring and quality in every use. BulletPoint4 : [ Material] Made of manganese steel forged by heat treatment, providing high hardness and durability for long-lasting use. BulletPoint5 : [ Manganese Steel] High suitable for high lathe processing, ensuring accuracy in every application. ItemName : Morse Taper Shank Arbor Adapter, Stable and High for High Lathe Processing,5 to 20mm Drill Chuck with Smooth Surface, Easy to Operate ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 3 centimeters ItemTypeKeyword : taper-shank-drill-bits Manufacturer : Garosa ModelName : Garosa7m0bckigoq ModelNumber : Garosa7m0bckigoq PartNumber : Garosa7m0bckigoq ProductDescription : Specifications: Condition: Brand New Material: Manganese steel Color: As shown in the picture Morse No. 2 maximum Outside Diameter: 17.78mm/0.7in Taper 1:20.020 Maximum Outside Diameter of Short Head: 21.793mm/0.86in Taper No. : B22 B22 for Drilling Chuck: 5-20mm Drill Chuck