This is a CNC boring bar labeled “S08H-SCLCR-06.” It is specifically designed for internal turning and boring operations on CNC machines. The 8 mm shank diameter makes it ideal for precision machining in tight spaces. The included yellow wrench is used to securely fasten or replace the carbide insert, ensuring stability and accuracy during operations. This boring bar is a reliable tool for achieving high-precision results in internal cutting applications.