Decorative speaker wire binding post inserts from Impact Acoustics(?) are the finishing touch to your home theater installations. These inserts are stamped from 20 gauge steel and painted to match the room d‚cor. Mount in standard electrical boxes or mud rings and finish off with a standard decorative wallplate. With heavy-duty, gold plated binding posts made from precision machined brass on the front and a screw-terminal block on the back, these wallplates are simple to install and use. Jacks are color coded red and black for easy identification of the speaker polarity.