The Hi-Pro Machine Key measures 5/32 x 5/8 inches and is constructed from high-quality carbon steel, ensuring strength and durability. This key is designed for use in keyway applications, providing a secure fit for shafts and hubs in various mechanical systems. Its dimensions make it suitable for a wide range of applications, including automotive, machinery, and industrial uses. The carbon steel construction offers excellent resistance to wear and deformation, while the key's design allows for easy installation and removal. This key complies with industry standards for quality and performance.