The Key 5/8 x 5/8 x 2-1/2 Form B from G L Huyett is a precision-engineered component made from high-quality carbon steel. This key measures 5/8 inch by 5/8 inch with a length of 2-1/2 inches, designed for secure engagement in various mechanical applications. Its form B design ensures compatibility with a wide range of machinery, making it ideal for use in automotive and industrial settings. The key is finished with a plain surface for easy installation and reliable performance, meeting industry standards for quality and durability.