




📐 Draft like a pro, measure like a master.
The STAEDTLER Professional Triangular Scale Ruler is a 12-inch aluminum drafting tool featuring six imperial scales across three sides with high-contrast etched markings. Lightweight yet durable, it offers precise measurements ideal for architects and engineers, combining portability with professional-grade accuracy and long-lasting performance.






| Brand | STAEDTLER |
| Model Number | 987M1831BK |
| Colour | Blue |
| Product Dimensions | 5.08 x 1.78 x 0.51 cm; 0.28 g |
| Maximum Weight Capacity | 12 Tons |
| Material | Metal Aluminum |
| Special Features | Lightweight |
| Item Weight | 0.28 g |
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