The product is a lot of 20 Hu-Friedy EverEdge Scaler S204SD units. These dental scalers are designed for dentistry use and are made in Pakistan. The model 204S from Hu-Friedy is known for its quality and durability, making it a reliable tool for dental professionals. This lot of 20 pieces ensures that dental clinics or practices have an ample supply of this essential instrument for patient care.