The G L Huyett Machine Key measures 3/8 x 3/8 x 2-1/4 inches and is crafted from durable carbon steel. This Form A undersize key is designed for effective power transmission in various mechanical applications. Its robust construction ensures reliability and longevity, making it suitable for use in machinery and equipment requiring precise alignment. The key's dimensions are optimized for standard keyways, ensuring a snug fit and secure operation. Ideal for engineers and maintenance professionals, this machine key meets industry standards for quality and performance.