Specification: 100% brand new with high quality Material: 304 Stainless Steel Quantity: 300Pcs Washer Type: External Star Washer Sizes: M2.5, M3, M4, M5, M6, M8, M10, M12 Features: Made of 304 stainless steel material, very good corrosion resistance, it can be used in a humid environment. Perfect for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection This set is organized by size in a transparent storage case for quick access and protection. Package Included: 50 x M2.5 Washers 50 x M3 Washers 50 x M4 Washers 40 x M5 Washers 40 x M6 Washers 30 x M8 Washers 20 x M10 Washers 20 x M12 Washers Note: Please allow minor error due to manual measurement. The colors may be a little difference for the different monitor display.