The product is a lot of 4 Hu-Friedy IMPHDL6 & IMPHDL4 double end implant plastic ends. These instruments are designed for endodontics and dentistry, specifically as Gracey curettes. The units are made in the United States by the trusted brand Hu-friedy, known for producing high-quality dental instruments. With the double end design and durable plastic construction, these products are essential tools for dental professionals in various procedures.