GOLD DEER 550 Pcs External Tooth Lock Washer Assortment Kit External Tooth Star Lock Washers Tooths Locking Ring Washers Kit M2.5 M3 M4 M5 M6 M8 M10 M12 Stainless Steel Externals Star Washer Sets

["Premium Materials: Made of high-quality stainless steel, these fasteners offer exceptional hardness and corrosion resistance. Compared to standard galvanized materials, they provide superior resistance to oxidation and rust, ensuring long-term stability even in damp or outdoor environments, thereby extending the product’s service life.","Complete Set: Includes 555 pcs washers covering eight common sizes—M2.5, M3, M4, M5, M6, M8, M10, and M12—making it ideal for a wide range of repair needs, from precision electronics to heavy machinery.","Anti Slip and Vibration Resistant: The unique serrated design allows it to “bite” firmly into the mounting surface and fasteners, generating significant rotational resistance. This structure effectively prevents bolt loosening caused by vibration, providing more reliable grip than standard flat washers for automotive engines, home appliances, and mechanical equipment.","Convenient Storage: Equipped with transparent storage bins featuring reinforced dividers, this user-friendly design not only prevents mix-ups between sizes during transport but also allows you to quickly identify and retrieve the washers you need at a glance on your workbench, keeping everything organized.","Wide Application: Suitable for a wide range of screw-fastening applications, this set is ideal for electrical connections, automotive repairs, furniture assembly, and equipment maintenance. Whether you’re a professional technician or a DIY enthusiast, this multi-purpose washer set provides a reliable fastening solution."]