The product is a set of 9 Kennametal NG 4219R KC5025 Grade carbide grooving inserts. These inserts are designed for milling applications and are made from high-quality carbide material. They are specifically branded as Kennametal, a reputable manufacturer known for producing durable and precise cutting tools. These inserts are ideal for use in CNC machining and metalworking processes, providing efficient and reliable performance for grooving operations.