The Irwin 62132 Aircraft Extension 1/2 in, 12 in Length Split Point Drill Bit is a high-quality drill bit designed for professional use. Made of durable steel, this bit features a 1/2 inch diameter and a 12-inch length, making it suitable for various drilling applications. The split point design ensures precise and easy drilling, while the black color adds visibility during use. With the trusted IRWIN brand behind it, this drill bit is a reliable tool for any workshop or project requiring efficient and accurate drilling.