Irwin Tools 30430051/2" x 17" WeldTec Ship Auger, Silver, 3/8&quot,IRWIN,3043005" /> N/A Imported Each WeldTec auger bit features a hard cutting edge welded to the base material Auger drill bit features a long-lasting nail-cutting life Wide flutes and a 3/8-inch quick-change impact shank make this a versatile auger drill bit 1/2" diameter 17" overall length