Core Function: High-precision aluminum triangular scale ruler for architectural, interior and mechanical design. Features 6 common ratios (1:20/1:25/1:50/1:100/1:125/1:75) for drawing and measuring.
Material & Craft: Solid aircraft-grade aluminum alloy with anodized finish; laser-etched markings that never fade; rounded edges for comfortable grip and long-lasting use.
Structure Design: Triangular prism with 6 scales on 3 sides for easy access; thick cross-section prevents bending; non-slip matte surface.
Specification: Total length 322mm, section size 24×20mm, standard 30cm drafting scale ruler.
Use Advantage: 6-in-1 ratios cover most architectural scales; durable aluminum alloy resists aging and rust; permanent laser-etched markings; stable triangular design prevents rolling.
Application: Architectural drafting, interior design, mechanical drawing, student projects and hand-drawn plans.
Detail Design: 6 ratios on 3 sides; permanent laser markings; golden anodized finish; solid aluminum construction; anti-slip rounded edges.
What's in the box
1 x Aluminum Triangular Scale Ruler
