The Carboloy MTBNL-85-4 Large Tool Holder is a high-quality turning toolholder designed for precise and efficient machining. Made by the reputable brand Carboloy, this tool holder is specifically designed for holding large turning tools securely in place during the machining process. It is a reliable and durable component for CNC and metalworking applications, ensuring accurate and consistent results. With its large size, it can accommodate and securely hold a variety of tools, making it a valuable addition to any workshop or manufacturing facility.