Item Type: Flat Washer_x000D_ Product Material: Aluminium_x000D_ Quantity: 200pcs_x000D_ Function: Suitable for indoor decoration, outdoor construction, electrical maintenance, furniture maintenance, and electrical connection for household and commercial electrical appliances, automobiles and ships that use thread and bolt connection for power supply. _x000D_ Flat Washer Specification: 5 x 9 x 1mm / 0.2 x 0.35 x 0.04in_x000D_ 6 x 10 x 1mm / 0.24 x 0.39 x 0.04in_x000D_ 6 x 12 x 1mm / 0.24 x 0.47 x 0.04in_x000D_ 8 x 12 x 1mm / 0.31 x 0.47 x 0.04in_x000D_ 8 x 14 x 1mm / 0.31 x 0.55 x 0.04in_x000D_ 10 x 14 x 1mm / 0.39 x 0.55 x 0.04in_x000D_ 12 x 16 x 1mm / 0.47 x 0.63 x 0.04in_x000D_ 12 x 18 x 1.5mm / 0.47 x 0.71 x 0.06in_x000D_ 14 x 18 x 1mm / 0.55 x 0.71 x 0.04in 1High Quality Aluminum: These aluminium flat washers have excellent resistance to high temperature, high humidity and oxidation as well. 29 Common Sizes: While preventing screws from sliding and tearing, it's highly compatible with various nuts and bolts to meet all your needs. 3Exquisite Workmanship: Designed to have sturdy structure and smooth surface, the washers are not easy to deform, very durable for long use. 4Wide Application: Suits perfectly for indoor decoration, outdoor construction, electrical maintenance, household electrical appliances, and so on. 5Storage Box: All washers are sorted by size and placed in a sturdy transparent storage box to prevent loss and mixing, very convenient to use. 30 x 5x9x1mm Flat Washer 30 x 6x10x1mm Flat Washer 20 x 6x12x1mm Flat Washer 20 x 8x12x1mm Flat Washer 20 x 8x14x1mm Flat Washer 20 x 10x14x1mm Flat Washer 20 x 12x16x1mm Flat Washer 20 x 12x18x1.5mm Flat Washer 20 x 14x18x1mm Flat Washer