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Your cart is empty.This pack of 2 round 2-inch hub openings is designed for use on Siemens or Murray electrical panels that require an HS type hub. The openings are made of durable plastic and come with mounting screws for easy installation. Each pack contains 2 hub openings, with a total quantity of 4. The hub openings are ambidextrous, meaning they can be used by both left and right-handed individuals. They are made of H-class plastic, which is durable and long-lasting. To install, carefully consult your panel's wiring diagram to ensure proper alignment. Then, simply insert the hub opening into the designated hole and secure with the included screws. The hub openings allow for the installation of junction boxes and other electrical components, helping to expand your panel's capabilities.