EnPoint High-precision Carbide CNC Engraving Router Tool Bits Generic 3.175mm 1/8" 90 Degree 0.2mm Tip Diameter Sharp Conical Engraving Cutter V-Bits for PCB Wood Acrylic Metal Copper Aluminum (5 pcs)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>With use of ultra-fine tungsten carbide comes sharper edge， higher wear resistance， high efficiency</li><li>The mirror grinding processing makes easier chip removal and less bit breaking</li><li>The bit can cut clean without any ragged edges， no burrs</li><li>The conical engraving bit can work good with aluminium</li><li>High concentricty and high speed</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41qEjtpWxJL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31x7Q7F836L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31tLalc1fYL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41U6Gr6ZaYL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41JvAUpQaIL.jpg' noproxy></br>