Product Name - EASTPUK hex socket cap screws assortment kit includes the M3 screw lengths: 6/8/12/16/20/25/30mm and matching nuts, washers, and hex wrench. Commonly used for daily furniture installation and mechanical repair. Precise Fit - Each M3 screw of bolts and nuts kit is crafted to strict metric standards with ±0.01mm precision. Metric bolt assortment ensures a fit with 3D printer, machinery, or DIY projects. Laser-cut threads allow for smooth, effortless installation, while the nuts sit flush without wobbling—reducing wear and preventing stripped screws. Material - M3 screw kit made from 304 stainless steel for reliable durability and corrosion resistance. Smooth, burr-free surface of metric screws with no organic oil or odor. Precise thread pitch of assorted nuts and bolts ensures stable fastening in various weather conditions. Note: Some slight magnetism of stainless steel bolts may occur due to the material and manufacturing process. This is normal and does not affect performance. Organized Storage - The m3 screw assortment are neatly arranged in a labeled, compartmentalized plastic case, with each size clearly marked for quick and easy access. The durable container of bolt kit is reusable and portable, making it a great tool organizer for professionals, DIY enthusiasts, or as a practical gift. Easy to Use - Use the hex wrench in nut and bolt assortment to tighten screws, secure with lock washers to prevent loosening, and easily disassemble by twisting in reverse.This m3 screw kit is ideal for a wide range of applications, including 3D printing, RC models, furniture assembly, car repairs, bike stands, and more.