You will receive 1 3 hole 1/2" bell box and an extra duty in use cover as a set for the cost shown. Order 1 or 50! The Weatherproof bell box is a single gang box made of die-cast aluminum, with a standard design and a gray color. It features three 1/2" hubs, ideal for electrical installations. Measuring 2.75 inches in width and 2 inches in depth, this box is weatherproof NEMA3 and suitable for outdoor use. The product is similar to Bell model 5320-0. Our Extra Duty In use covers feature a sturdy heavy duty plastic construction with a stainless steel hinge pin. They come with an insert to covert from the decora style back plate to a standard duplex outlet. UL listed and meets all NEC code requirements! We also have 3/4" boxes if you need them, please reach out if you would rather have the 3/4" hole, there is no extra charge for 3/4". Also, we have carflex connectors to complete your installation! Thank you for looking!