Features: Premium (304) stainless steel construction ensures exceptional corrosion resistance and a lifespans exceeding 10 years, even in humid environment. This 180pcs set includes 8 sizes (2-10mm) of flat washers, neatly organized in a plastic case for easy storage and portability. Suitable for engineers, DIY enthusiasts, and industrial maintenance team requiring reliable fastening solution in demanding conditions. Optimizes mechanical repairs, furniture assembly, and heavy duty equipment installations where secure load distribution up to 150kg is critical. Compartmentalized packaging allows instantly size identification, streamlining workflow for automotive repairs and structural projects requiring stainless steel flat washers. Specifications: Component: 304 Stainless Steel Size: 2/2.5/3/4/5/6/8/10mm Package Includes: 25Pcs 2mm Washer 25Pcs 2.5mm Washer 25Pcs 3mm Washer 25Pcs 4mm Washer 25Pcs 5mm Washer 25Pcs 6mm Washer 20Pcs 8mm Washer 10Pcs 10mm Washer 1Piece Storage Box note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.