The Woodruff Machine Key 5/16 x 1-1/4 from G L Huyett is crafted from high-quality carbon steel, designed to fit into circular keyways for effective torque transmission. Measuring 5/16 inches in width and 1-1/4 inches in length, this key is ideal for securing gears and pulleys in various machinery applications. Its robust construction ensures durability and resistance to wear, making it suitable for high-load environments. This woodruff key complies with industry standards, ensuring compatibility with a wide range of mechanical systems.