... 2012 Galvanized Perforated Angle Corner Bead Material:galvanised plate ,stainless steel ,pvc, Aluminium,and etcCatogory :Expanded Corner Bead, Perforated Corner Bead, Corner Bead with Reinforce Flange, Corner Bead with creased ... strength to support and protect the wall corner in construction .Specifications of Galvanized Perforated Angle Corner Bead for your reference : Width(mm)Thicknes (mm) ...