Dewalt DW1584 1-1/4 X 6 Inch Wood Boring Spade Bit. For Boring crisp, clean holes in wood, drilling wooden beams. The bit features heavy-duty shank which provides maximum durability. The hex shank prevents slipping and fits all 1/4in quick change systems. Cutting spurs provide optimum hole finish. Hang hole allows for bit storage & wire pulling. Spindle lock.