?246PCS INCLUDES?: The Stainless Steel Hex Nut and Bolt Assortment Kit includes a comprehensive selection of 246 pieces, featuring 10 different sizes of nuts and bolts. This assortment includes commonly used sizes such as 1/4"-20, 5/16"-18, and 3/8"-16, along with flat and spring washers, making it an essential addition to any toolkit for a variety of applications. ?PREMIUM 304 STAINLESS STEEL?: Crafted from high-quality 304 stainless steel, this assortment kit offers exceptional hardness and durability. The materials are resistant to rust, oxidation, abrasion, and corrosion, ensuring long-lasting performance and easy storage for all your fastening needs. ?BOLTS NUTS KIT?: This versatile kit features a range of sizes, including 1/4"-20 x 3/4", 1/4"-20 x 1-1/2", 5/16"-18 x 1", and 3/8"-16 x 2-1/2", among others. The hex threads are designed for smooth operation without any burs, making installation and removal effortless. ?THE STORAGE BOX INCLUDED?: The kit comes with a clear storage box that includes labeled compartments, allowing for easy organization of the various sizes and types of fasteners. This thoughtful design ensures that you can quickly find and access the pieces you need for your projects. ?WIDELY USAGE?: Ideal for home repairs and a multitude of applications, this nut and bolt kit is perfect for fixing electronics, locks, lights, precision machinery, and more. Whether you are a professional or a DIY enthusiast, this assortment is a reliable choice for all your fastening tasks.