The G L Huyett Machine Key 3/8 x 1/2 x 1-13/16 Form B Cbn Steel Undersize is designed for precise mechanical alignment. This undersized key measures 3/8 inch by 1/2 inch with a length of 1-13/16 inches, crafted from Cbn steel for superior strength and wear resistance. It fits securely into keyways, providing a reliable connection between shafts and gears. Ideal for use in various machinery and automotive applications, this machine key meets industry standards for performance, ensuring optimal functionality in demanding environments.