The Proto® 5/16" x 6" Keystone Round Bar (JK51606RF-TT) from BLACK & DECKER's IRWIN Industrial Tool Company is engineered for precision and durability. This round bar is made from high-quality steel, ensuring strength and resistance to wear. Measuring 5/16" in diameter and 6" in length, it is perfect for various applications, including fabrication and repair work. The keystone design provides enhanced grip and stability, making it suitable for both professional and DIY projects. This product adheres to industry standards, ensuring reliability and performance in demanding environments.