6pcs/set Drill Tap Combination Bit HSS Deburr Countersink Bit Set 1/4 Inch Shank for Max. 5mm Thickness Soft Metal Wood Plastic
https://www.vogueparade.com/shopping/EN/100006468/1/1005003742121266/6pcsset-drill-tap-combination-bit-hss-deburr-countersink-bit-set-14-inch-shank-for-max-5mm-thickness-soft-metal-wood-plastic//