Good material high quality stainless steel, resistant to corrosion, resistant and durable. Product features It can be used in a humid environment. > Components In this set, it includes 8 size of m2.5 m3 m4 m5 m6 m8 m10 m12, total 300 sorted pieces stored in a transparent box. sufficient quantity and durable quality for your use. Application Perfect for electrical connections in appliances and commercial appliances, automotive and marine applications. In order to allow you to make a good shopping experience, we did and we will proceed as follows; > 1. The products we sell are all in the new condition and finished a rigid inspection. 2. Pay attention to all the details of the products to give you a better experience. Features: - 304 stainless steel, very good corrosion resistance. - Ideal for electrical connections on appliances and commercial appliances, motor vehicles and marine applications, in which the power source is equipped with a threaded type / bolt connection. - This set is organized by size / type in a transparent storage box for quick access and protection. Product details : - Washer type: Outdoor star washer - Sizes: M2.5 m3 m4 m5 m6 m8 m10 m12 - Material: Stainless steel 304 The package includes: 1. M2.5 - 50pcs 2. M3 - 50pcs 3. M4 - 50pcs 4. M5 - 40pcs 5. M6 - 40pcs 6. M8 - 30pcs 7. M10 - 20pcs 8. M12 - 20pcs - Total quantity: 300 pieces Note: All dimensions are measured manually, there may be measurement errors, the error range is between 1 and 3 mm, do not you Do not do.