Providing straight corners with wave margin and nail hole. Used over irregular surfaces. Plaster keys near nose for reinforcement where needed most.Corner bead is installed using standard industry practice with drywall nails, staples, screws or clinching tool and features deeply knurled mud anchors for perfect mud adhesion.Flange width is 1-1/4". 1-1/4" drywall corner bead is available in 7', 8', 10' and 12' lenghts. Easy to install corner support can be nailed, stapled, or installed with a high tack spray adhesive.