- triangular ruler
- made of plastic
- each gauge has a colored groove that makes it easier to find the desired gauge
- length 30 cm
- color: white
- packed in a blister
- individually packaged

It is important to know

When choosing a three-edged ruler for business or professional use, it is crucial to consider how the length, clarity of markings and selection of scales affect your everyday work processes. A ruler, as a universal drawing and measuring tool, works best when you adapt it to the type of task and the accuracy required – which is why some practical questions are important before you buy.

• Choosing a tri-edged ruler allows you to use multiple different scales in one tool, which is especially useful in environments where you frequently switch between scales or design to different standards.
• Pay attention to clearly legible labels – if you work in fast-changing teams or across multiple workstations, contrasting and durable labels are a big plus for reducing errors.
• Since such a ruler is usually not part of the kit, you need to assess whether you need other tools for specific tasks (e.g. a geotriangle for more precise angles or templates for repeating shapes).
• Look for information about the material – high-quality plastic or metal improves the lifespan and retention of measurement marks, which is important for regular, daily use in a business environment.

Source of editorial recommendations: general verifiable guidelines for product selection.

In practice

🟢 Daily measuring and drawing in the office

Very convenient – the combination of multiple scales allows for quick adaptation to different types of documents and tasks without the need for multiple rulers.

🟢 Technical drawing, planning and layouts

Very convenient – different scales on one tool make calculations easier and provide greater flexibility when working with plans.

🟡 Preparing documents with the required accuracy and readability

Suitable with limitations – although several criteria help with different formats, usability depends on clearly legible and durable markings; for intensive use, check their resistance to wear.

🟡 Equipping multiple workplaces in the office

Suitable with limitations - a single ruler is suitable for basic work, but for full equipment for several employees, it may be worthwhile to consider sets of different lengths and types.

Answers to frequently asked questions

Are all the scales on the ruler equally visible?

Visibility and legibility may vary slightly depending on the manufacture, but all scales on trihedral rulers are usually clearly marked.

Where does using multiple scales on a ruler make the most sense?

They are most evident in technical drawing, architectural planning, and where multiple standards for measurement or drawing are used.

Can this ruler also be used on larger formats (e.g. A2, A1)?

A three-edged ruler is suitable for common office or smaller technical formats; for larger plans, a longer ruler may be more practical.

Is it advisable to choose plastic or metal for regular use?

If you use a ruler frequently, it is advisable to consider materials with greater resistance to mark wear, such as high-quality plastic or metal.

Description updated: October 2026

Why buy from ENAA?

• We deliver over 95% of orders the next business day, so you can quickly equip your workplace with accessories.
• ENAA provides customers with transparently displayed prices without hidden costs or unnecessary crossed-out amounts.