Reveal beads
Trim-Tex Inc.

The company's Fiber Optic reveal bead is designed to accommodate the fiber optic cable and can be used with either 1/2- or 5/8-inch drywall. Special ridges are designed into bead allowing fiber optic cable to be snapped in easily and securely. The Fiber Optic 45 degree Corner accessory allows one the design capability to make gradual turns and shapes in a multitude of designs.