LEONTOOL 1000 Pcs Spring Lock Washers Assortment Kit Metric Split Lock Washer Set for Fasteners Hardware Repair 304 Stainless Steel Locks Washers for Screws Bolts M2 M2.5 M3 M4 M5 M6 M8 M10 M12

["Materials: Made of high-quality 304 stainless steel, excellent corrosion resistance and oxidation resistance, rust-proof even in humid environments for long-term use.","Package Includes: 9 common metric sizes: M2, M2.5, M3, M4, M5, M6, M8, M10, M12, total 1100 pieces. Enough for electronic repair to heavy machinery use.","Reliable Anti-Loosening Locking: Split spring design provides strong tension, prevents nuts and bolts loosening caused by vibration, impact or thermal expansion, ensures stable connection safety.","Precision Stamped Smooth Finish: Precision punching molding, standard uniform size, smooth burr-free edges, fits fasteners perfectly and improves assembly efficiency.","Wide Application: Matches standard screws, nuts and bolts. Ideal for machinery assembly, furniture repair, outdoor construction, electrical maintenance and automotive applications."]