Material: Tungsten Steel Surface Treatment: Titanium Coating Type: Flat Bottom Carving Bits Shape: V Shape Degree: 15 ° Shank Diameter: 3.175 mm Blade Tip Diameter: 0.1 mm Total Length: 35 mm Quantity: 5 Pcs Features: High Hardness, High Abrasion Resistance, High Strength, Bending Resistance, Anti-Breakage and Long Tool Life. Coated with Titanium: Improve tool speed and feed speed and increase surface wear resistance. Processing range: PCB, SMT, CNC, Gold, Plastic, Copper, Stainless Steel and other precision metal parts processing Package Included: PCB Carving Bit