<p>Luckyway 4-Piece Quick Change Drill and Drive Set. </p> <p><b>Package Included:</b></p> <ul> <li>3pc Wood Countersink Drill Bit;</li> <li>1pc Quick Change Drill Flip Drive Unit.</li> </ul> <p><b>Specification:</b></p> <ul> <li>1pc 15/64 inch(#6) countersink with 3/32 inch twist drill;</li> <li>1pc 5/16 inch(#8) countersink with 7/64 inch twist drill;</li> <li>1pc 3/8 inch(#10) countersink with 1/8 inch twist drill;</li> <li>Material:Made of high carbon steel material, high hardness and durable</li> </ul> <p><b>Using Tips:</b></p> <ul> <li>Two side application, one is drill and the other one is screw bits.Ideal for plugs or dowel buttons, the 1/4" hex shank can be used with power drills and quick-change chucks.</li> </ul>