The G L Huyett Machine Key 3/8 x 1/2 x 2-5/8 Form B is an undersized key crafted from durable carbon steel, designed for effective engagement in various mechanical assemblies. With dimensions of 3/8" x 1/2" x 2-5/8", this key is perfect for applications requiring precise fit and reliable torque transmission. The Form B design ensures compatibility with standard keyways, making it a versatile choice for engineers and technicians. Its robust construction allows it to perform well under high loads and in challenging environments, meeting industry standards for quality and performance.