- Utilizes spring pressure to effectively regulate reinforced shaped objects, ideal for tightening and loosening threaded fittings. - Available in 9 sizes with a total of 360 pieces in a box, catering to a variety of applications and ensuring you have the right fit for your needs. - The star lock washer is an essential accessory for most mechanical devices, providing reliable fastening, support, and damping functions. - Constructed from high-quality 65 steel, offering excellent corrosion resistance, rust prevention, and superior oxidation resistance for long-lasting durability. Use Scenarios: - Perfect for automotive repairs where secure connections and durability are critical. - Ideal for machinery maintenance, ensuring components stay firmly in place under vibration and stress. - Great for DIY projects where multiple sizes are needed to accommodate various fittings and connections.