BlueSpot 3Pcs 1/4" Hex 12 - 19mm Countersink Bit Set Wood Metal Impact Drill
BlueSpot Countersink Bits 3Pce Set Countersink Drill Bits Countersinking Wood 12 16 19mm. The Blue Spot Tools 3 Piece Countersink Bit Set is manufactured from heat-treated carbon steel for increased durability.