Six scales, one tool
Six scales on one tool cover common ratios from 1:20 to 1:500, reducing the need for multiple rulers.
- Free shipping
- 14-day easy returns
- Secure checkout
- Quality guaranteed
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Why customers love it
Measure with confidence on every scale
This 30cm triangular scale ruler is a professional drafting tool designed for architects, engineers, and designers, with six precise scales for accurate multi-ratio drawing.
- Six scales on one tool cover common ratios from 1:20 to 1:500, reducing the need for multiple rulers.
- Precision-etched markings are clear and wear-resistant, maintaining accuracy over heavy use.
- Sturdy, lightweight construction resists bending and breakage for long-lasting reliability.
- Non-toxic, odor-free materials make it safe for daily professional and educational use.
- Triangular shape fits comfortably in hand, allowing for stable, controlled strokes.
- Classic finish with smooth edges prevents snagging on paper and enhances glide.
Why you'll appreciate this scale ruler
Clear, lasting markings
Precision-etched markings are clear and wear-resistant, maintaining accuracy over heavy use.
Built to last
Sturdy, lightweight construction resists bending and breakage for long-lasting reliability.
Comfortable grip
Triangular shape fits comfortably in hand, allowing for stable, controlled strokes.
Specs
The details that matter
Built to last outdoors, season after season.
- Length
- 30cm
- Scales
- 1:20 to 1:500
- Material
- Alloy/Metal/Plastic
- Shape
- Triangular
- Product Type
- Scale Ruler
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently asked questions
Everything you might want to know before you order.
What scales are available on this ruler?
This ruler includes six scales covering common ratios from 1:20 to 1:500, so you can handle a wide range of drafting tasks without switching tools.
How are the markings applied to the ruler?
The markings are precision-etched, which keeps them clear and wear-resistant even with frequent use.
Is this ruler safe for everyday use?
Yes, the materials are non-toxic and odor-free, making it safe for daily professional and educational use.
,How does the triangular shape improve handling?
The triangular shape fits comfortably in your hand, providing a stable grip for controlled, accurate strokes.
Does the ruler glide smoothly on paper?
The classic finish with smooth edges prevents snagging on paper and helps the ruler glide smoothly across your work surface.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.