Rustless and anti-static; works perfectly on cutting machines Best performance with high precision High quality and durable Coated with titanium: improves the speed and feed rate of the tool, enhances surface wear resistance Suitable for processing: PCB, CNC, molds, plastic, copper, stainless steel, and other precision metal parts Specifications: Angle: 30 degrees Tip diameter: 0.1mm Shank diameter: 3.175mm Total length: 31mm Color: Golden Material: Carbide alloy Package Contents: 10 x Engraving Bits Note: The package includes only the items listed above; other products are not included. Lighting and monitor display settings may cause slight variations in the color of the item as shown. Measurement may vary by +/- 1-3cm.