The G L Huyett Key measures 5/16 x 5/16 x 2-1/2 and is made from carbon steel, designed for secure fastening in mechanical assemblies. This Form B key is undersized for precise fit in keyways, ensuring effective transmission of torque in rotating machinery. Its carbon steel construction provides excellent strength and wear resistance, making it suitable for various applications. This key meets industry standards, ensuring compatibility with a wide range of systems and components, making it a reliable choice for engineers.