MULTIPLE SAE SIZES 2 TYPES OF SCREWS: This comprehensive assortment includes Stainless Steel Phillips Pan Head screws in sizes #4-40, #6-32, #8-32, and #10-24, as well as Flat Head Screws in sizes #6-32, #8-32, #10-24, and #1/4-20. PREMIUM MATERIAL: The 1575-piece nuts and bolts assortment kit is constructed from high-quality 304 stainless steel, offering exceptional resistance to rust, corrosion, and oxidation. This makes it an essential tool kit for any home or workshop, with each screw accompanied by matching nuts and washers. COMPREHENSIVE COMBINATION: Each screw is provided with a corresponding nut and washer in a 1:1:1 ratio, ensuring that you will never run short of essential components while working on your projects. The compact UNC thread design enhances strength and prevents deformation. HANDY PACKING: All nuts, bolts, and washers are meticulously organized in a double-sided storage box featuring a robust latch and dividers. This thoughtful design allows for easy access and installation, keeping your workspace tidy and efficient. Product Description This 1575-Piece Stainless Steel Nuts and Bolts Assortment with Organizer Box is an indispensable addition to any DIY enthusiast's toolkit. With a wide range of sizes and types of screws, this kit is perfect for various applications, from home repairs to professional projects. The high-quality stainless steel construction ensures durability and longevity, making it a reliable choice for all your fastening needs. Whether you are assembling furniture, working on automotive repairs, or tackling home improvement projects, this assortment will provide you with the right components to complete your tasks efficiently. The thoughtfully designed organizer box not only keeps your screws, nuts, and washers neatly stored but also allows for quick identification and access. Each compartment is clearly divided, minimizing the time spent searching for the right piece. The premium materials used in this assortment guarantee that you will have everything you need to get the job done without worrying about rust or corrosion.