Electroplated Iron Flat Washers Assorted Sizes M2.5-M12 Metal Spacer Rings High-quality electroplated iron washers designed for secure fastening, load distribution, and surface protection. Ideal for DIY projects, machinery, automotive repairs, bicycles, furniture assembly, electronics, and general hardware applications. Product Features ✔ Durable Iron Construction Made from strong iron material for reliable strength and long-lasting performance. ✔ Electroplated Surface Finish Corrosion-resistant electroplated coating helps protect against rust, wear, and oxidation. ✔ Multiple Sizes Available Choose from a wide range of inner diameters to suit different bolts, screws, and fastening needs: 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm 6mm 8mm 10mm 12mm ✔ Wide Range of Applications Suitable for: Auto.