Description Featuring a heavy-duty, full-length, heat-treated shank for protection against bends and breaks, DEWALT Spade Bits are equipped with high-performance cutting spurs for optimum hole finish. An Extreme Speed Channel of the drill bit provides fast chip removal, and a 1/4-inch ball groove shank offer quick-change applications. A 1/4-inch hex shank helps to prevent slippage, and a hang hole enables easy storage and wire pulling.Heavy-duty full length heat treat shank provides maximum durability of the drill bit against bending and breaking.Cutting spurs provide optimum hole finish.1/4-inch Hex shank prevents slipping and fits all 1/4-inch quick change systems.Hang hole allows for bit storage and wire pulling. WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer, birth defects or reproductive harm and Butyl Benzyl phthalate (BBP) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov