.5Pcs Countersink Drill Bit 1/4in Hex Shank HSS Drilling Tool Set Kit For
Item Type: Countersink Drill Bit. 5 x Countersink Drill Bit. Easy to Install: Standard 1/4in hex shank enables quick changing, also has an adjustable anti sleeve depth, easy to install. Handle Feature: 1/4in Hex Shank.