Assortment of nuts in 7 sizes: The package includes 165 brake nuts in 7 optional sizes, including 45 x m3, 35 x m4, 30 x m5, 30 x m6, 15 x m8, 10 x m10, 5 x M12, the valid combination is enough to meet your Different requests. Quality material: These hex nuts are made in 304 stainless steel, robust, durable, rust-resistant, corrosion and oxidation, not easy to deflect, you can use them with confidence. Tightening excellent: These counter-nuts are in line with the standard metric system, so they adapt to most bolts or screws. The precise thread makes the nut securely block the spindle, even under the vibrations. Easy to sort: These self-locking nuts are tidy in a transparent storage box so you are not disturbed by sorting. In addition, the storage box gives you perfect resolution for storing nuts. Large application: These stainless nut nuts are very convenient against the loosening caused by vibrations, and they are very useful for everyday life. You can use them for DIY or industry. Ideal for leisure, mechanics, electronics, gardening, modeling, and more. Specification Material: 304 Stainless steel Color: Silver Size: M3, M4, M5, M6, M8, M10, M12 Indispensable utensil for leisure and industry, these hex nuts Firmly hold the pins in place, without falling. Suitable for professionals and amateurs, these stainless steel locks are convenient for the attachment that used in cabinets, engines, beds, machines, etc. . Fabricated in 304 high quality stainless steel, these self-locking nuts are resistant to rust, corrosion and oxidation, not easy to deform, you can use them at recovery. Note: Check the size of the product before ordering, please. Our product is not suitable for children under 3 years old. Package Includes: 45 x HEXAGONAL WITHES M3 35 x Hexagonal ICROUS M4 30 x Hexagonal lunches M5 30 x Hexagonal lunches M6 15 x Hexagonal m8 nuts 10 x Hexagonal ICROUS M10 5 x HEXAGONAL WITHES M12