"18.8" typically refers to the composition of the stainless steel, indicating it contains approximately 18% chromium and 8% nickel, which is commonly referred to as 18-8 stainless steel. This grade of stainless steel is known for its corrosion resistance and durability, making it suitable for a wide range of applications, including outdoor or marine environments where exposure to moisture and corrosion is a concern. Availble in 304, 304L, 316L and 321.