ACP TANA Aerial Wire Markers keep wires visible to pilots and prevent accidents. Mark power, communication, and guy wires at airports, helicopter approach areas, river and canyon crossings, or overhead obstructions at construction sites. The 20" diameter size meets FAA specifications. Each marker is easy to install with only 4 bolts.

• 20" markers meet Federal Aviation Administration specifications
• Comprised of durable, fiberglass construction
• Choose from 12" or 20" markers