The G L Huyett Machine Key is a Form B undersized key measuring 5/8 x 7/8 x 4 inches, made from durable carbon steel. This key is specifically designed for applications requiring a robust connection between rotating components. Its undersized design allows for easier installation and adjustment in tight spaces. Ideal for use in machinery, motors, and other mechanical systems, this key ensures reliable torque transfer and minimizes the risk of failure. The carbon steel construction provides strength and durability, making it suitable for both industrial and commercial applications.