The M5-0.8 x 35W10 JIS B1188 Phil Pan 304SS Split Washer 302/304SS Flat Washer Sems A2 Stainless is a high-quality washer that is designed to be used with screws and bolts. It is made of durable 304 stainless steel and has a split design that allows it to be easily installed. The washer has a diameter of 5mm and a thickness of 0.8mm, and it is designed to be used with screws and bolts that have a diameter of 5mm. The washer is also corrosion-resistant and can be used in a variety of applications.