2/5/10pcs stainless steel flat tip PCB board 0.1mm 60 degree engraving cutter and milling cutter V shape
https://www.vogueparade.com/shopping/EN/100007188/2/1005001720359441/2510pcs-stainless-steel-flat-tip-pcb-board-01mm-60-degree-engraving-cutter-and-milling-cutter-v-shape//