Hardware Nuts Size: This 150-piece SAE Hex Nut Assortment Kit includes a comprehensive selection of sizes: 4#40 (25 pcs), 6#32 (25 pcs), 8#32 (25 pcs), 10#24 (16 pcs), 10#32 (16 pcs), 12#24 (14 pcs), 1/4-20 (13 pcs), 5/16-18 (8 pcs), 3/8-16 (6 pcs), and 1/2-13 (2 pcs). This variety ensures that you have the right nut for virtually any project, accommodating a wide range of applications. Premium Material: Crafted from 304 (A2-70) stainless steel, these hex nuts offer exceptional oxidation resistance, corrosion resistance, and durability. The polished exterior finish not only enhances their aesthetic appeal but also ensures longevity, making them suitable for various environments including furniture DIY, building construction, and medical equipment. Convenient Storage: The kit comes with a well-organized storage box that categorizes the hex nuts by size, allowing for easy access and preventing loss or mix-ups. This thoughtful design enhances efficiency and ensures that you can quickly find the nuts you need for your project. Versatile Applications: These hex nuts are designed for versatility, making them ideal for a multitude of applications such as automotive repairs, machinery maintenance, door handle installations, and small repairs around the house or workshop. Their strong fastening force ensures reliable performance in any scenario. Easy Installation: With a simple installation process, these nuts can be used with a live wrench, open-end wrench, or eyeglass wrench. This ease of use makes them accessible for both professionals and DIY enthusiasts alike.