Check the listing for details. 10Pcs 0.2mm Carbide CNC Engraving Circuit Board Micro PCB Drill Bits. Condition: New. Listed at 13.67 USD. Features:Cutting Edge Diameter (CED): 0.2mmCutting Edge Length: 3.5mmShank Diameter: 3mm / 1/8" (approx.)Overall Length: 38mm / 1-1/2" (approx.)Cutting Edge Material: Tungsten CarbideShank Material: HSS (High Speed Steel)Package Included:1 Set (10 Pcs) x PCB Drill Bits with Protection BoxDescription:1. Long Tool Life: With high hardness, high wear resistance, high strength, resistance to bending, anti-impairment. Long-lasting bits are made from Tungsten Carbide for precise, easy experience.2. Spiral Flute Bits: Tip spiral flute drill bits with sharper cutting edge, reduce cutting force and prevent drill broken, improve the drilling accuracy.3. High Precision: With sharp cutting edge, milling groove and clean surface, these sets of tool work quickly and cleanly, no glitches or scrap left.4.