5Pcs Rotary File 1/4in Hex Shank Double Cut Metal Grinder Drill Bit Set for Carving Polishing

1、Including 5 rotary files of different esign meeting your various grinding needs. 2、Higher efficiency processing efficiency is several times higher than that of normal files. 3、Able to offer you a safer and more comfortable working condition with less dust. 4、Allows for wide application in grinding non?metal soft metal and other materials. 5、Made of high quality high speed steel not easy to deform and very durbale for long use.