This Double-edged 3D engraving router bit is perfect tool for woodworking,varies sizes can meet your different need.Features:1. Double-edged cutting design, excellent concentricity2. Suitable for materials: Acrylic, MDF, PVC, 3D engraving and chamfer, etc3. Cut decorative "V" grooves and lettering on signs with the "V" groove bit, using with an edge guide to chamfer and bevel edges4. The item is only used as engraving tool, not hazardous article 5. Varies sizes for your choiceSpecifications:Material: Solid AlloyColor: As the picures showShank Diameter: 6mmCutting Blade Diameter(Optional): 8mm / 10mm / 12mm / 15mm / 16mm / 18mm / 22mm / 25mm / 32mmWeight: 11-33gQuantity: 1pcPackage Included:1 x V Groove Sharpen Bit Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 162 hours.