Features: M10 Penny Washers craft from stainless steel, offering for long time use durability in various environment. These flat washers feature engineered designs with smooth, even that ensures load distribution, minimizing potential to workpieces. For professional mechanics, enthusiasts, and construction project personnel, these washers caters to wide ranges of user needs. For use in machinery repairs, automotive maintenance, construction projects, and general household tasks, these washers in any toolkit. Enhances the reliability and long time use of your assemblies with stainless steel washers, designs to provide high performances in every application. Specifications: Component: Stainless Steel Color: Silver Size: Diameter 1cm/0.39inch, 0.8cm/0.31inch, 0.6cm/0.24inch, 0.50cm/0.2inch, 0.4cm/0.16inch, 0.3cm/0.12inch, 0.25cm/0.09inch, 0.2cm/0.08inch Package Includes: 180pcs Flat Washers note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.