The Woodruff Machine Key measures 1/8 x 3/8 inches and is crafted from durable alloy steel, ensuring reliable performance in various applications. This key is designed to fit into a corresponding slot in a shaft, providing a secure connection between the shaft and the attached component. Ideal for use in machinery and automotive applications, it meets industry standards for quality and durability. The alloy steel construction offers excellent resistance to wear and tear, making it suitable for high-stress environments.