Features Sleek Surface: This boring head shank has a very sleek surface, which is nice to look at and provides a comfortable grip. Threaded Mounting: This boring head shank gauge features threaded mounting for easy, time saving installation and removal. Wide Application: This boring head shank has a wide range of applications and can be used for machining bore surfaces, boring end faces, cutting holes and more. Excellent High Carbon Steel Material: This boring head shank is made of excellent high carbon steel material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. Compact And Portable: This boring head shank is small in size and light in weight, which makes it very convenient to carry around and use. Specification: Item Type: Boring Head Shank Material: High Carbon Steel Thread: 1-1/2-18UNF Accuracy: ≤0.005mm Type: Milling tool Package List:1 x Boring Head Shank1 x Storage Box Package List 1 x Boring Head Shank 1 x Storage Box