A Wide Range of Materials can be engraved, including:
Circuit boards
Metal
Majority of plastics
Wood
Fibre glass
Carbon
Specification:
Material: carbide
Shank diameter: 0.125" (3.175mm)
Cutting edge diameter: 0.0355" (0.9mm)
Cutting edge length: 0.237" (6mm)
Pack size: 10
Brand new and unused