Pacific Arc 6" Mini Engineers Tri-Scale - T-561

Designed for engineers, students, surveyors, and drafting professionals, the Pacific Arc 6" Mini Engineers Tri-Scale offers accurate scaled measurement in a compact, portable format. This pocket-sized triangular scale features six engineer graduations—10, 20, 30, 40, 50, and 60 parts to the inch—making it ideal for reading and creating engineering drawings, site plans, blueprints, and technical sketches. The T-561 is constructed from durable, high-quality plastic for long-lasting performance while remaining lightweight enough for everyday carry.

Its triangular profile provides easy access to multiple scales in one tool, while clearly marked graduations help ensure quick, precise readings in the office, classroom, or field. Whether you're working on civil plans, surveying layouts, or design projects, this mini engineer scale delivers dependable accuracy in a convenient 6-inch format. A comparable product in this category is the Pacific Arc Engineering Scale Ruler, which shares the same compact triangular design and durable construction.