This Tool-Flo BNBR-125 Grade GP4 mini boring bar insert is a top-quality product that is perfect for your needs. It is made with high-quality carbide material and is designed to provide excellent performance and durability. The insert type is mini boring bar inserts, and it is suitable for use in various applications. The product is manufactured in the United States, and it is a great choice for anyone who is looking for a reliable and efficient toolholding solution.In addition, this item is ideal for use in indexable inserts, toolholding, workholding, and CNC, metalworking, and manufacturing applications. It is easy to use and provides excellent performance, making it a great choice for anyone who wants to get the job done right. With its high-quality construction and superior design, this Tool-Flo BNBR-125 Grade GP4 mini boring bar insert is sure to meet your needs and exceed your expectations.