If you are looking for a professional grinding tool, then your research is over here. That's because our grinding head can meet your need. Adopted of diamond material, practical and durable for long time use. Simple structure, light weight, with linking rod, easy to use and bring you much convenience. Features -Color:Golden -Material:Diamond -Size:4.00X4.00X3.00cm/1.57X1.57X1.18in - The tool is made of diamond, good resistance to deform, long-term working performance. - Detailed workmanship, not easy to deform or rust, bring high efficiency grinding and grooving experiences. - This polishing burr is designed in round burr head, which give it good toughness and wear resistance. - Widely used for DIY, tool making, engineering, model engineering, wood , etc. - The wood polishing burr can surfaces to maintain a smooth and clean finish. Package list: 1 x Sphere Rotary Burr