Black Box Stainless Steel Wallplate, Coax (No Jack), Single-Width, 1-Punch Stainless Steel Wallplate, Coax (No Jack), Single-Width, 1-Punch Stainless is ideal for clean rooms and food-service facilities-it's easy to clean and sterilize. Plate has a standard 9/16" cutout. DB9, DB15, DB25, DB37, DB50, and Keystone wall plates also available. See Similar Products below. For a custom configuration, contact our FREE Tech Support.