The DeWalt 1-1/4 in power ship auger bit was designed to be durable and reliable in any wood drilling application. With a self-feed spur, this bit always provides fast material penetration, eliminating errors on the job. A dual cutting edge and hardened alloy steel ensure that the bit will hold up in nails and last as long as you need it to. When it comes time to change bits, you'll save time because the 7/16 in ball groove shank makes the change as quick as possible. With features designed to be tough in real world situations, you can depend on the DeWalt power ship auger bit.