The 29 PC A/C Drill Set from Field Tool Supply features a 12-inch overall length, making it versatile for various drilling applications. This comprehensive set includes a range of drill sizes, crafted from high-speed steel for enhanced durability and performance. Each drill is designed to provide precision and efficiency, suitable for both professional and home use. The set is ideal for air conditioning and refrigeration tasks, ensuring compatibility with standard fittings. With a focus on quality, this drill set meets industry standards, making it a reliable choice for any toolkit.