1.Carbide files, also known as tungsten steel rolling , process a of metals (including hardened steel) and non-metallic (such as , jade, bone), wood carving choice 2.. In a great part of working, it can replace Petiole small wheel. 3.No dust pollution.High production efficiency,the processing efficiency higher than small wheel stalk nearly ten . 4.It is an important tool to production efficiency and achieve mechanization jobs. Name: cutter Size: length 60.55mm, Fit for:Finishing all kinds of metal mold,all kinds of metal and nonmetal carving,parts Processing,etc. Colour:Photo Color Material:Metal Package Contents: 5 x cutter files Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.