10pcs cnc router v bits, 3 edge pyramid engraving, 1/8" shank cnc 3d milling cutter| 20/30/45/60/90 degrees, 0.1mm tip etoput <b> specification: <br></b> material: carbide <br> edge: 3<br> shank: 3.175mm<br> tip: 0.1mm <br> degrees: 20 30 45 60 90 <br> application: majority of plastics , pcb, copper, aluminum, acrylic, pvc, nylon, <br>resin, wood, plywood, hardwood, glass fiber, marble, etc. <br><br> <i><b> note: <br></b> when engraving harder materials, it is necessary to increase the speed and reduce the feed rate to avoid tool breakage </i><br><br> <b>what's included? <br></b> 2pcs 20° x 0.1mm 3 edge pyramid engraving bits <br> 2pcs 30° x 0.1mm 3 edge pyramid engraving bits <br> 2pcs 45° x 0.1mm 3 edge pyramid engraving bits <br> 2pcs 60° x 0.1mm 3 edge pyramid engraving bits <br> 2pcs 90° x 0.1mm 3 edge pyramid engraving bits <br>