Metal Outside Corner Bead is used to provide a high-quality finish and solid protection at drywall corners. This traditional drywall finishing product is stapled, nailed screwed or clinched into place. Flanges are deeply perforated and knurled for excellent joint compound adhesion. It is considered the premier drywall finishing corner bead product. This product combines a unique manufacturing process, with specially enhanced galvanized steel to provide consistent, high-quality finishing each and every time.