The 10 ft. Vinyl Arch Drywall Corner Bead conforms to almost any radius. It features Y-shaped slits on the notched flange to allow for flexibility without kinking. Vinyl Arch Corner Bead has a tough, rust and dent resistant design that offers superior joint compound adhesion for optimal performance. This Arch Corner Bead can be installed using nails, staples ot drywall adhesive.