Vinyl corner bead is a rigid, easy-to-apply 90 corner reinforcement that can be nailed or stapled into place.Multiple perforations along the 1-1/4 in. flanges enhance joint compound bonding. Vinyl corner bead is strong, durable and gives straight reinforcement for drywall and veneer plaster corners. The pronounced nose provides a ground and screed to help the finisher achieve precise finishing depth.