STAEDTLER Mars Aluminium Ruler - 40cm
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Product Information
Full details
The STAEDTLER Mars Aluminium Ruler (40cm) is an essential precision tool designed for architects, engineers, students, and artists who demand high-accuracy measurements and clean, smudge-free lines. Its primary benefit is the specialized inking edge that preserves the integrity of your work when using technical pens or markers, though users should be mindful that the metallic surface can be cold to the touch and may be prone to minor surface scratches if stored improperly with hard objects.
All features
| Brand | STAEDTLER |
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Extended Product Information
FAQs
Is this ruler suitable for cutting with a hobby knife?
Yes, the solid aluminium edge provides a durable guide for cutting, though you should exercise caution to avoid slicing into the metal edge repeatedly.
Can the markings wear off?
The markings are laser-etched for high durability and are designed to withstand years of heavy professional use without fading.
Does this ruler have an inches scale?
This model is primarily designed with metric measurements (cm/mm).
What is the benefit of the inking edge?
The inking edge is raised/beveled so that when you run a pen along it, the ink does not touch the ruler surface, preventing smearing on your paper.
Is the ruler flexible?
No, the STAEDTLER Mars Aluminium ruler is designed to be rigid to ensure perfectly straight lines.
Are there other sizes available?
Yes, STAEDTLER offers a range of sizes, including 20cm and 50cm variants to suit different project needs.
Troubleshooting
Ruler slides during use
Ensure the non-slip underside is clean of dust or eraser shavings by wiping it with a slightly damp cloth and allowing it to air dry.
Graduation marks look dirty
Clean the surface gently with a mild soap solution and a soft cloth, then dry immediately to prevent water spots.
Pros and Cons
Pros
- Durable aluminium build prevents edge chipping and warping
- Raised inking edge protects against ink smudges and blotching
- Non-slip base ensures steady performance while drawing
- Highly legible markings for precise measurement
Cons
- Aluminium can feel cold and rigid compared to plastic alternatives
- Requires careful storage to prevent surface scuffs or dings
- The 40cm length may be too long for small pencil cases
Setup, Compatibility & Care
No specialized setup is required; simply place the ruler on your workspace with the non-slip side down. It is compatible with all standard technical pens, graphite pencils, and drafting markers. To maintain the accuracy and appearance of your STAEDTLER ruler, wipe it down periodically with a soft, dry cloth to remove pencil graphite or eraser debris. Avoid using harsh chemical solvents that could degrade the graduation markings. When not in use, store the ruler flat in a drawer or utilize the hanging hole to keep the edges protected from impact.