Finding Cable Accessories for your office can be hard when you need a mix of price, utility and style. Luckily, Wayfair Supply has products like the UCP Series 3/8" D Cable Punchouts and 3/8" Hole Grommet to help narrow your search for your office needs. Search by Special Offers, Availability or . With 2-day Shipping and Brands like Middle Atlantic and Gardner Bender, you’re sure to find the right 3/8" Diameter Cable Accessories for your small business, school or building. We make finding the right Cable Accessories easy and cost effective for commercial shoppers by putting it all on the same site – Wayfair Supply.