STANDARD: Cutting edge diameter: 0.3mm / 0.012 inch; Shank diameter: 3.175mm / 1/8 inch; Cutting edge length: 2.6mm / 0.1 inch. MATERIAL: Made from ultra-fine grain carbide material for excellent milling and cutting performance, ensuring high work efficiency. FEATURES: High hardness, high wear resistance, high strength, with sufficient bending strength and durability. CHARACTERISTICS: Sharp cutting edge provides clean, smooth, and precise results on holes, edges, and surfaces. For optimal performance, ensure proper tool clamping length. APPLICATION: Suitable for engraving PCBs, CNC machining, circuit boards, metal, plastics, wood, SMT, fiberglass, and carbon board. Adjust feed rate and cutting speed according to the material to extend tool life. Color: As shown Material: Alloy Size: 1.4mm / 1.3mm / 0.9mm / 0.4mm / 2mm / 3mm / 1mm / 1.1mm / 0.6mm / 2.4mm / 3.175mm / 0.5mm / 1.5mm / 2.2mm / 1.6mm / 2.5mm / 1.2mm / 1.8mm / 0.8mm / 0.3mm Package Contents: 10 x Router Bits Note: Light reflection and display differences may cause slight color variations between the image and actual item. Measurement error allowed is +/- 1-3cm.