The Irwin 3043013 WeldTec 1 in x 17 in Ship Auger Bit is a high-quality power tool accessory designed for drilling and cutting through steel. With a 7/16 inch impact shank, this silver-colored auger bit is suitable for use with drills and offers a durable steel construction. The 1-inch diameter and 17-inch length make it ideal for various applications, providing precision and efficiency in your workshop or at home.