Specification Brand : Tyenaza BulletPoint1 : [HIGH HARDNESS AND ACCURACY] After quenching and heat treatment, this connecting shaft is exceptionally durable, ensuring precise performance. BulletPoint2 : [SIMPLE OPERATION] Easy to use, this connecting shaft allows for quick punching with excellent results. BulletPoint3 : [PRECISE MEASUREMENTS] With an inner diameter of 19.05mm and maximum taper shank end of 23.825mm, this connecting shaft guarantees a good fit. BulletPoint4 : [PORTABLE DESIGN] Compact and easy to carry, this connecting shaft is convenient for storage and use. BulletPoint5 : [QUALITY ASSURANCE] Rest assured in its quality, this connecting shaft undergoes strict quality control for peace of mind. ItemName : Tyenaza Morse Taper Connecting Shaft Drill Chuck Connect Rod B16 for DIY Enthusiasts ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 6 centimeters ItemPackageDimensions_Width : 3 centimeters ItemTypeKeyword : hex-shank-drill-bits Manufacturer : Tyenaza ModelName : Tyenazaq9zv5csh30 ModelNumber : Tyenazaq9zv5csh30 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Tyenazaq9zv5csh30 ProductDescription : Spec: Item Type: Morse Taper Connecting Shaft Color: Silver Material: Steel Inner Diameter: Approx. 19.05mm / 0.8in The Largest End of the Taper Shank: Approx. 23.825mm / 0.9in