kwikSTIK® Paper-Faced Tape-On Metal Bullnose Corner Beads are used on 90° outside corners with any standard drywall thickness for smooth, rounded corners. The rigid steel-reinforced corner is covered with a unique, high strength paper providing maximum strength and protection while preventing cracking caused by the movement or shrinkage of framing members. Features installation by pressing firmly into joint compound and removing excess compound with a drywall knife or clean rag.