The FKB SJNL20M is a steel jam nut designed for left-hand applications, sold in lots of 25 pieces. This component is crafted from high-quality steel, ensuring durability and strength in various mechanical systems. With a size of 20mm, it provides a secure fit and reliable performance. The jam nut design allows for easy adjustments and secure locking, making it ideal for automotive and industrial applications. This product meets industry standards for quality and performance, making it a trusted choice for engineers and manufacturers.