The HS Boring Bar #CO B 5L from Field Tool Supply is crafted from high-speed steel, making it perfect for precision boring tasks. Measuring 5 inches in length, this tool is designed for effective deep hole machining in a variety of materials. Its sturdy design ensures minimal vibration and maximum accuracy, while the #CO B classification signifies its specialized geometry for enhanced performance. This boring bar is compatible with standard lathe machines and adheres to industry standards, making it an essential tool for both professional machinists and hobbyists.