The Key 5/16 x 5/16 x 2 Form B SS300 PL UN by G L Huyett is a stainless steel component designed for secure engagement in mechanical systems. With dimensions of 5/16 inch in width and thickness, and a length of 2 inches, this key is ideal for applications requiring reliable torque transmission. The SS300 material offers excellent corrosion resistance, making it suitable for both indoor and outdoor use. This key adheres to industry standards, ensuring compatibility with various machinery and enhancing operational efficiency.