kalote 1055PCS 304 Stainless Steel Black Flat Washers Assortment Kit, Metric M2 M2.5 M3 M4 M5 M6 M8 M10 M12 Flat Washer Set, Anti-Rust Black Finish for PC Building, RC Cars, DIY, Automotive Repair

["RARE BLACK 304 STAINLESS STEEL: Why choose between style and durability? Most black washers are made of rust-prone carbon steel, but kalote uses marine-grade 304 stainless steel with a sleek black coating. Experience the perfect blend of aesthetic matte finish and superior corrosion resistance for both indoor and outdoor projects.","1055PCS COMPREHENSIVE METRIC KIT: Stop mid-project to run to the hardware store. Our kit features 9 popular sizes from tiny M2 up to heavy-duty M12. With 1055 pieces, you’ll always have the right spacer for household maintenance, furniture assembly, or precision mechanical work.","PRECISION THICKNESS & SMOOTH EDGES: Say goodbye to burrs and uneven surfaces. Each washer is precision-stamped to ensure consistent thickness (from 0.5mm to 1mm) and smooth edges. This reduces friction and prevents damage to your project’s surface, making them ideal for delicate PC building and 3D printing.","REINFORCED & LABELED STORAGE CASE: We solved the \"mixing\" problem. Our kit comes in a heavy-duty partitioned box with a secure latch. Each size—from M2 to M12—is neatly separated and clearly labeled with a high-contrast size chart on the lid, ensuring you grab the exact size you need every time.","WIDE APPLICATION & DIY ESSENTIAL: Designed for the modern maker. These black washers are perfect for concealing hardware on black-themed equipment, RC car chassis, computer water-cooling setups, or automotive engine bays where professional appearance and rust-prevention are paramount."]