3pcs/set Countersink Drill Bits 1/4 Inch Hex Shank Woodworking Angle Point Drilling Hole Puncher Replacement Deburr Drill Bit
https://www.vogueparade.com/shopping/EN/100006468/1/1005003746658094/3pcsset-countersink-drill-bits-14-inch-hex-shank-woodworking-angle-point-drilling-hole-puncher-replacement-deburr-drill-bit//