TerraKing Heavy-Duty 20.5" Commercial Blade Markers (Orange) [TK95025] Heavy duty markers for use on blades, plows and various other equipment; made in the USA Made from flexible plastic tubing (flexible to -50 degrees) Core is made up of high strength cable for flexibility and durability Includes 2" wide DOT rated white reflective tape at the top for safety and visibility Clear PVC outer shell (provides durability and adhesion of the reflective tape)