Add the finishing touch to your installation with a decorative feed-through grommet wall plate. Designed to mount in standard electrical boxes or mud rings, this wall plate is constructed from 3mm aircraft-grade brushed aluminum to withstand demanding commercial environments. Simple to install and easy to use. Compatible with new or existing wiring networks, this single gang design offers a 1.5in opening with a protective rubber grommet.2DA0961. 0961. C2g C2G Single Gang 1.5in Grommet Wall Plate - Brushed Aluminum.