4 in. x 8 ft. Paper-Faced Composite Drywall Corner BeadOS 400, a paper faced composite corner bead from Strait Flex, beautifully finishes outside 90 corners and is the most cost effective outside corner bead on the market. This 4 in. corner bead applies with all purpose compound and features a pre finished laminated nose ensuring a clean sharp corner. The laminated nose eliminates the risk of damage from a taping knife, will not shrink, and will not fuzz up during sanding. The beads outer edge features a