This Black Oxide Lock Washer from Jet Tools is designed to provide secure fastening in various applications. Made from high-quality steel, it features a black oxide finish that enhances corrosion resistance and durability. The lock washer's unique design ensures a tight grip, preventing loosening due to vibration or movement. With a standard size suitable for most fasteners, it is ideal for use in machinery, automotive, and construction applications. This lock washer meets industry standards, ensuring reliability and performance in critical fastening tasks.