The G L Huyett Machine Key 3/4 x 3/4 x 3-3/8 Form B is made from 1045 carbon steel, ensuring high strength and durability for various mechanical applications. This undersized key measures 3/4 inch in width, 3/4 inch in height, and 3-3/8 inches in length, making it ideal for securing larger components such as gears and pulleys. Its precision engineering allows for a tight fit, minimizing the risk of movement during operation. This key is designed to withstand high-stress conditions, making it a reliable choice for industrial machinery and equipment.