X-1 Metal Corner Bead for outside corners have a smooth round nose bead with Diamond Mesh wings for the keying of plaster right up to the nose of the bead. This mesh insures a perfect bond and provides effective reinforcement where most needed. Especially recommended in fireproofing columns and beams. Rigid straight edge nose is easy to install and permits plumb straight outside corners. Excellent protection for corridor corners exposed to traffic. X-1 Metal Corner Bead is the standard accessory for providing exterior corner protection and providing a reliably straight ground for screeding. The 3" expanded mesh wings are easily flexed to adapt to framing irregularities and to match appropriate screed heights. AMICO X-1 Metal Corner Bead is manufactured with a 3-inch flange. Sections can be joined or spliced together by inserting a finishing nail or a piece of hangar wire. X-1 Cornerbead is used to reinforce and protect outside corners. Creates a straight clean edge and protects the edge from damage due to bumping.