For cutting/engraving/carving/grooving/slotting/drilling/hollowing/positioning/roughing/milling in materials like MDF,PVC,Acrylic,wood,solid wood,chipboard,composite board,organic board,core board,density board etc. these bits own edge which is for fast engraving that makes high efficiency;,high precision and not easy to break;it is smokeless and burr-free while processing the design of 2 flutes,mirror polishing,large chip space of CNC Router Bit makes non-stick c bs,smooth cutting and -removal<br><br>size:about 3.175x17x38.5mm Material:Metal colour:Silver<br><br>Package Contents: 10 x Double edged milling cutter<br><br>Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.