Size Quantity: - This comprehensive assortment kit includes 405 pieces of assorted SAE standard hex nuts in 12 different sizes, catering to a variety of applications. The sizes included are: 2-56 (60pcs), #4-40 (60pcs), #6-32 (60pcs), #8-32 (50pcs), #10-24 (50pcs), #10-32 (50pcs), #12-24 (30pcs), 1/4"-20 (20pcs), 5/16"-18 (12pcs), 3/8"-16 (6pcs), 7/16"-14 (4pcs), and 1/2"-13 (3pcs). High Quality: - Crafted from premium 304 stainless steel, this SAE hex nut hardware kit is designed for durability and reliability. Its strong, weak magnetic properties provide excellent corrosion resistance, making it ideal for use in harsh environments. The rust-proof design ensures that the nuts remain securely fastened, preventing bolts from becoming loose or dislodged. Wide Applications: - This versatile assortment of hex nuts is perfect for a wide range of applications, including precision machinery, electronic products, household appliances, and DIY projects. Whether you are a professional, an amateur, or a maintenance worker, this kit is an essential addition to your toolkit, allowing you to easily replace broken or missing nuts in various settings. Package: - The 405-piece set is neatly organized in clear storage boxes, each labeled with size information to facilitate easy identification and access. This thoughtful packaging prevents the nuts from scattering or getting lost during use, ensuring that you have everything you need at your fingertips. Note: - Please keep these small hex nuts out of reach of children under 7 years old. For any inquiries regarding the product, do not hesitate to contact our customer service team for assistance.