... 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 AustraliaAngle accord with fast installation,Galvanized 50-275g,Size30*30,25 ... Stopping Angle 16mm30*16*0.43000P01- L shapeExternal Angle 9030*30*0.42400/2700/3000/3600P50- Z shapeShadowline stopping angle10* ...