Clinch-On corner bead is recognized as the premier product for providing sturdy galvanized metal reinforcement on 90˚ drywall corners. Knurled and perforated flanges offer superior compound adhesion for smooth, straight finishes. Corner bead attachments are accomplished by nailing, stapling, screwing or clinching through the flanges. - 1¼ in. x 10 ft. - Metal Corner Bead