Check the listing for details. 5x Carbide Steel 45 Degree 0.1mm CNC Router Triangular Pyramid Engraving Bits. Condition: New. Listed at 9.32 USD. Specification: This set of Pyramid carbide engraving bits is perfect replacements for your CNC machinery, make you enjoy a precise, easy cutting experience. Shank diameter: 3.175mm Cutting edge diameter: 0.1mm Total length: 1.195" Shape: Pyramid Degree: 45° Material: Carbide Steel. Application: Majority of plastics ,Copper, aluminum, iron, jade and other hard materials engraving and cutting fine, Acrylic, PVC, Nylon, Resin, Wood, Plywood, Hardwood, Fibre glass, marble, etc Weight: 26g Package include: 5PCS Pyramid carbide engraving bitsSpecification:This set of Pyramid carbide engraving bits is perfect replacements for your CNC machinery, make you enjoy a precise, easy cutting experience. Shank diameter: 3.175mmCutting edge diameter: 0.1mmTotal length: 1.195"Shape: PyramidDegree: 45Material: Carbide Steel.Application: Majority of plastics ,Copper, aluminum, iron, jade and other hard materials engraving and cutting fine, Acrylic, PVC, Nylon, Resin, Wood, Plywood, Hardwood, Fibre glass, marble, etcWeight: 26gPackage include:5PCS Pyramid carbide engraving bits