The M2-0.4 x 8W5 JIS B1188 Phil Pan 304SS Split Washer 302/304SS Flat Washer Sems A2 Stainless is a high-quality washer that is perfect for a variety of applications. It is made from durable 304 stainless steel, which is resistant to corrosion and rust. The washer has a split design, which allows it to be easily installed and removed. It also has a flat design, which provides a smooth surface for the fastener to bear against. This washer is perfect for use in a variety of applications, including automotive, marine, and industrial.