90 External Corner bead,drywall corner bead,Standard in Australia,size30*30,25*25,20*20thickness:0.2-0.5mm, 90°External Corner bead, galvanized metal corner bead .Standard in ... :0.2-0.5mmpackaging:paper box,50pcs/box stopping angle bead: PART NODESCRIPTIONSize(mm)Length(mm) Leg Stopping Angle 6mm30*6 ... - Z shapeShadowline stopping angle10*10*30*0.43000 90 External Corner bead