Perforated metal corner bead

 Perforated sheet corner bead or angle bead, is a metal mesh strip attached along an inside or outside corner of two stucco walls. The metal corner trimming adapts to framing irregularities and helps trim the angle and corners of wall plastering. Perforated flanges are preferable for perforated corner beads. Also available with punched grounds. Perforated beads are available in multiple lengths to help reduce waste and minimize splicing. Simply fasten to the drywall for plastering. The perforated flange grounds 3/8", 1/2", 5/8", or 3/4" (1", 1-1/8", 1-1/4" and 1-1/2" special size) to suit all needs. Processed from round hole punched sheet mostly.