Spandex Truss Covers are the simple way to dress up or conceal your truss. These are designed to work with light-weight small box truss 8 5/8″ x 8 5/8″ or standard 12″ x 12″ truss. This is a pull-over style spandex truss is sold in bulk per bag, giving you the ability to cut it to the lengths you need on-site. Each bag has 25 yards or 75 feet. Also commonly called Truss Socks.