Durable, high-impact PVC corner beads designed to reinforce, protect, and create crisp $90^\circ$ external wall angles in drywall and plastering installations. Engineered with perforated flanges to ensure maximum joint compound keying, preventing flaking, chipping, and surface cracking. Lightweight, non-corrosive, and rust-proof, making it a reliable solution for high-moisture environments, interior wall corners, and architectural edges.