Shank diameter: 3.175mm
Cutting edge diameter: 0.1mm
Total length: 33.98mm/1.338"
Shape: Pyramid
Degree: 20°
Material: Carbide Steel.
Application: Majority of plastics, Copper, aluminum, iron, jade, and other hard materials engraving and cutting fine, Acrylic, PVC, Nylon, Resin, Wood, Plywood, Hardwood, Fibre glass, marble, etc