The product is a lot of 25 150 mm (6") Wafers made of P-Type Test Grade Silicon Wafer polished on one side. These wafers are manufactured in the United States and are high purity silicon wafers. They are ideal for use in semiconductor and PCB manufacturing equipment, as well as in various industrial and business applications requiring precision and high-quality materials. The wafers have a diameter of 8 inches, making them suitable for a range of testing and manufacturing processes.