ecopybook tactical ruler echelons nato 8197The Tactical Ruler Echelon UA is a tactical tool from the Ecopybook Tactical brand. It is made from anti glare material, which minimizes the risk of detection. The importance of non glare stationery has significantly increased with the rising use of UAVs for aerial reconnaissance. Traditional tactical rulers often have a glossy surface that reflects sunlight. To minimize these reflective issues, it is recommended to use anti glare rulers. These rulers