The G L Huyett Key 3/4 x 3/4 x 4-1/2 Form B is manufactured from 1045 steel, providing exceptional strength and durability for mechanical applications. This key measures 3/4 inch by 3/4 inch with a length of 4-1/2 inches, making it ideal for securing components in various machinery. The Form B design ensures a precise fit, enhancing the reliability of your assemblies. The 1045 steel construction offers excellent wear resistance, making it suitable for high-load applications. This key complies with industry standards, ensuring compatibility with a wide range of systems.