9PCS Countersink Drill Bit Set Adjustable Depth Stop Collar for Woodworking

HEX SIZES: Nut Driver Set includes sizes 1/4-Inch, 5/16-Inch, 3/8-Inch, 7/16-Inch, 1/2-Inch and 9/16-Inch | HEAVY-DUTY HANDLES: Handles and shafts designed to withstand high torque required for demanding applications | PASS THROUGH-HANDLE: Easily torque hex nuts onto any length of threaded rod with the full hollow shaft | WRENCH-ASSIST: Cold-forged steel hex shaft delivers superior strength and durability for heavy-duty applications | COLOR-CODED SIZES: Easily identify the different sizes with the color-coded dome stamps