Read more Aerial Transmission Plates & Holders Lordon’s Aerial Transmission Tower Plates and holders provide utility companies with a solution for better transmission line tracking, inspections, and maintenance at a low cost. Our plates are highly visible from the air and on the ground and are available in 6 different finishes and 7 different sizes. Lordon’s Transmission Plates & Holders are built to withstand even the harshest environments. Highly visible and are available in aluminum, polyethylene, and HDPE in 2”, 3”, 4” or 6” sizes. Also available in 8” & 10” upon request. Vertical or Horizontal Mounting Plates are available with holes or optional slots for banding. Custom sizes available. Contact to order Download Literature