IRWIN 1890711 Straight Shank Installer Drill Bit for Wood, 18-Inch by 1/2-Inch Product Description IRWIN Straight Shank Wood Installer Bits feature an 82? point for fast, smooth drilling in wood. These bits are made with a hole in the flute for easy wire pulling through walls, ceilings and floors. They have a 3-flatted shank to prevent slipping in drill chucks and the shank also includes a hole for wire pulling. Plus, they are made from premium high carbon steel for extended drilling life in wood. From the Manufacturer IRWIN Straight Shank Wood Installer Bits feature an 82? point for fast, smooth drilling in wood. These bits are made with a hole in the flute for easy wire pulling through walls, ceilings and floors. They have a 3-flatted shank to prevent slipping in drill chucks and the shank also includes a hole for wire pulling. Plus, they are made from premium high carbon steel for extended drilling life in wood. Features 82? point for fast, smooth drilling in wood Hole in flute for easy wire pulling through walls, ceilings and floors 3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling Hole not included on 12" length bits Premium high carbon steel construction for extended drilling life in wood USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.