This 415-piece Imperial Hexagon Allen head set screw assortment kit is crafted from high-quality 304 stainless steel, offering superior corrosion resistance and durability for demanding fastening applications. The set includes 12 most-used sizes (1/8"-40 to 5/16"-18) to accommodate a wide range of projects, from precision electronics to bathroom fixtures and furniture. Each screw features clean-cut threads and smooth edges for secure, reliable holding power and easy installation with the included set of 5 metric hex keys. Ideal for both professionals and DIY enthusiasts, these grub screws are perfect for securing door handles, faucets, light fixtures, piping, machinery, appliances, and hobbyist models. The screws come neatly organized in a sturdy, compartmentalized storage case with a labeled size chart for quick identification and convenience. Whether for workshop use or on-the-go repairs, this kit provides a versatile and practical fastening solution that combines quality, variety, and user-friendly packaging