1/8" 3x6mm Drill Bit Rotary Burrs File Metal Diamond Grinding Woodworking Engraving Milling Cutters Double Cut Drill Bit
https://www.vogueparade.com/shopping/EN/4204/1/1005003409843723/18-3x6mm-drill-bit-rotary-burrs-file-metal-diamond-grinding-woodworking-engraving-milling-cutters-double-cut-drill-bit//