Piutouyar 12 Inch Engineer Scale Ruler, Metal Engineering Ruler Aluminum Laser-Etched Triangular Drafting Tool for Civil Engineering Drafting, Imperial Scale 1:10, 1:20, 1:30, 1:40, 1:50, 1:60(Blue)

Based on the analysis, the Piutouyar 12 Inch Engineer Scale Ruler has received overwhelmingly positive reviews with an average rating of 4.9/5. The high review content quality, reviewer credibility, and product consistency scores indicate that the product is trustworthy and reliable for its intended use in civil engineering drafting. However, the relatively low seller reputation score suggests that the brand may not have a long-standing reputation for quality products, which could be a concern for some consumers.