Features: 100% brand new and high quality. This diamond bur is suitable for jade,crystal,agate,amber,hollow ceramic and shell punching.It 7 specificationsmeeting your different working demands. Durable and excellent workmanship. Fit for jade,crystal,agate,amber,hollow ceramic and shell punching. Specifications: Shank Diameter:2.35mm(0.09inch). Head Diameter:0.5/1.0/1.2/1.5/2/2.5/3mm(0.02/0.04/0.05/0.06/0.08/0.1/0.11inch). Total length:42mm(1.65inch). Grit:80#. Shape cylindrical grinding head. Material:carborundum. Color:Silver. .
