Tackle Your Precision Projects with Confidence Meet your new go-to organizer for those intricate builds. This 645-piece M3 kit isn't just a collection of screws; it's your solution for a secure and lasting hold. We've packed everything you need for a successful project. Inside, you'll find socket head cap screws, matching hex nuts, and spring lock washers—all crafted from rust-resistant 304 stainless steel. Whether you're fine-tuning your 3D printer, reinforcing an RC model, or repairing small electronics, these components are built to prevent corrosion and withstand vibration. No more fumbling through mixed bags. The included compartmentalized storage box keeps your metric hardware assortment neatly sorted, so you can spend less time searching and more time creating. Ideal for machinery repair, DIY projects, and countless fix-it tasks, this complete set ensures you always have the right M3 machine screw on hand. Build with precision, build with durability.