Features:
100% brand new and high quality.
Precision accuracy of each cutter tooth.
USES:Carving for Jade, Wood, Cone, Olive Nut, Ivory Nut, Teeth and Jewelry.
It needs to be used with machine.

Specifications:
Material: High speed tungsten alloy steel.
Head shape:Ball.
Shape:Round.
Shank Diameter:2.35mm(0.09inch).
Head Diameter:1/1.4/1.6/1.8/2.1/2.3mm(0.04/0.06/0.07/0.08/0.09inch).
Color:Silver.
Total Length:45mm(1.77inch).

Package List:
1 box Tungsten Alloy Steel Engraving Knife(6pcs).