Minimize strand sagging during installation with the Strand Brake. Designed to allow strand to move in only one direction the direction of the pull. Convenient mounting bracket is secured in a standard 3-bolt strand clamp on a pole. Bracket swivels to allow slight offsets in pole alignment. A Strand Brake is a simple piece of safety equipment that can help avoid major problems associated with strand sagging. Available with ground wire clip that attaches to the ground wire of the first pole in series. Zinc-plated steel construction. Recommended use: Every 4 to 6 poles and at every traffic crossing.