Disston BLU MOL XTRM Heavy Duty 6pc Spade Bit set 12 58 34 78 1 1 14 6 Length

10X FASTER then standard Spade Bits -Cuts through Nails in Wood, Heavy Duty Spade Bits Designed for tough, heavy-duty drilling jobs and are built to last, Cuts through nails in wood, Self Feeding tip for faster drilling through wood with nails, 1/4" hex shank for easy changing made of C65 carbon steel