Phillips kwikSTIK® P1 XW EL outside corner bead can be used on 90° outside corners with any standard drywall thickness for a clean, professional finish. This product features approximately 20% thicker steel than ASTM standard C1047 minimum requirement for a strong, durable corner. P1 XW EL is tape-on meaning no fasteners or nails are needed for installation. Specially engineered paper provides superior mud and paint adhesion.