• Washers made of 304 stainless steel with a smooth black finish, burr-free and highly resistant to corrosion • High hardness and good toughness, environmentally friendly and rustproof • Processed through various procedures to ensure strength and durability • Provide cushioning and help reduce loosening of parts due to friction or collisions • Set of 100 round washers, inner diameter of 8 mm, outer diameter of 16 mm, and thickness of 1.5 mm • Good sealing properties, preventing leakage of liquids or gases, ideal for hydraulic systems and pipe connections • Wide application in household and mechanical devices: home repair, furniture construction, interior doors, tools, DIY, outdoor projects, craft products, marine equipment, and automotive applications