The Machine Key 1/2 x 1/2 x 2.165 from G L Huyett is a precision-engineered component made from carbon steel, ensuring strength and durability. This undersized key is designed for use in various mechanical applications, providing a reliable means of securing rotating elements. With dimensions of 1/2 inch in width and height, and a length of 2.165 inches, it fits standard keyways effectively. This product is ideal for use in machinery, automotive, and industrial equipment, meeting stringent quality standards for performance and safety.