Provides durable, straight and crisp, clean 90-degree outside finished drywall corners. Electrogalvanized coating. Strong metal reinforcement for drywall corners. Galvanized for corrosion protection. Exposed nose of the bead resists impact and forms a screed for finishing. Nailed, stapled, screwed or clinched into place. Flanges are deeply knurled and perforated. Size: 1-1/4 x 1-1/4.