This high-speed wood drill bit has a length of 48 inches and a diameter of 1/2 inch. It is designed for use in the installation of cables and bell hangers, With its durable construction and precision engineering, this wood drill bit is an essential tool for any woodworking or metalworking project. Its versatility makes it suitable for use in a wide range of industries, including CNC, manufacturing, and business. the Pierce Installer Plurality of Cables Bell Hanger Wood Bit is a reliable choice for anyone looking for a high-quality and long-lasting wood drill bit.