The M2.5-0.45 x 10W5 JIS B1188 Phil Pan 304SS Split Washer 302/304SS Flat Washer Sems A2 Stainless is a high-quality fastener that is designed to provide a secure and reliable connection. The split washer is made of 304 stainless steel, which is resistant to corrosion and rust. The flat washer is made of 302/304 stainless steel, which is also resistant to corrosion and rust. The washer has a diameter of 10mm and a thickness of 0.5mm. The split washer has a diameter of 10mm and a thickness of 0.2mm. The washer is designed to be used with a screw