Dapetz Tri Scale Ruler - 30cm - 2Pcs

Name: Dapetz Tri Scale Ruler - 30cm - 2Pcs
Brand: Dapetz
SKU: 6kkwakhwee
Availability: InStock

This set includes 2 Dapetz professional-grade triangular scale rulers, each measuring 30cm or 12 i...

Best current price£9.35from B&Q

Best offers

Shopping.co.uk recommended and popular offers

Lowest priceMost popular

B&Q£9.35Visit shop

B&Q - Tri Scale Metal Ruler 2Pcs 30Cm 12" / 300mm Aluminum Triangular Scale Ruler Metric 1:201:251:501:751:1001:125

Visit shop

All Offers

2 offers from £9.35 - £17.60

View price history by clicking the chart icon.

B&QB&Q - Tri Scale Metal Ruler 2Pcs 30Cm 12" / 300mm Aluminum Triangular Scale Ruler Metric 1:201:251:501:751:1001:125

Free delivery in 1–3 days

£9.35

Visit shop

eBay2 x Scale Rulers Architect Engineers Professional Specialist Rule 15cm & 30cm

Free delivery in 1–3 days

£17.60

Visit shop

Product Information

Full details

The Dapetz Tri Scale Ruler set is designed for architects, engineering students, and professional draftsmen who require consistent precision in technical drawings. This two-piece set provides versatility with multiple metric scales on each 30cm ruler, offering a stable triangular profile that prevents rolling and smudging. While the rulers are highly durable for professional use, their rigid construction means they are best suited for flat desk environments rather than portable field kit use where flexibility might be required.

All features

Model Part Number	DP00790
Brand	Dapetz

Extended Product Information

FAQs

Does this set include imperial measurements?

No, these rulers are specifically engineered for metric scales (1:20, 1:25, 1:50, 1:75, 1:100, and 1:125).

Can I use these with a cutter?

It is not recommended. Using the ruler as a cutting edge can nick the metal or plastic, damaging the precision of the scale.

Are the markings printed or engraved?

The markings are designed for professional durability, though care should be taken to avoid abrasive cleaners.

Is the ruler light enough to carry daily?

Yes, they are lightweight enough for travel, though their 30cm length requires a bag that can accommodate standard-sized rulers.

What does the 1:20 ratio mean?

It means 1 unit on the drawing represents 20 units in the real world.

Troubleshooting

Difficulty identifying the correct scale quickly

Apply a small piece of colored tape to the end of the ruler corresponding to your most frequently used scales for faster visual reference.

Ruler sliding on smooth paper

Attach small anti-slip rubber pads to the underside of the ruler if working on slick surfaces.

Pros and Cons

Pros

High-precision scale markings for accurate technical drawings
Stable triangular shape prevents accidental rolling
Convenient two-pack bundle for multiple workspaces
Versatile set of ratios covers most common engineering and architectural needs

Cons

Rigid material is not suitable for curved surfaces
30cm length may be too long for small laptop bags
Markings are etched for specific metric ratios, not ideal for general imperial-only work

Setup, Compatibility & Care

These rulers do not require a setup process; simply identify the required scale ratio printed on the face of the ruler. To maintain the accuracy of the markings:

Storage: Store in a flat, protective case or pen holder to prevent edge chipping.
Cleaning: Wipe down with a soft, lint-free cloth. Avoid using harsh chemical solvents that might degrade the printed scale markers.
Handling: Avoid using the ruler as a cutting guide with sharp craft knives, as this can damage the beveled edges and compromise future measuring precision.