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White triangular architect scale with black engraved markings

Staedtler

Staedtler 9871831BK Architectural Triangular Scale

SKU CH-T7N4-DHFMY MPN 9871831BK

Triangular scale made of satin-finished impact plastic with die-engraved graduations that won't rub out or fade

  • Satin-finished impact plastic resists daily wear
  • Easy-to-read black die-engraved graduations
  • Graduations won't rub out or fade
  • Model 9871831 for quick identification

Architectural Triangular Scale 9871831

The Staedtler 9871831BK is a triangular scale made from satin-finished impact plastic. It is intended for architects, engineers and students who need a durable drawing tool. Black die-engraved graduations provide clear readability for technical plans. The construction resists daily handling in studio or site environments.

Long-term legibility under constant use

The graduations are die-engraved into the plastic so they will not rub out or fade with repeated contact. The satin finish reduces glare while maintaining surface integrity over time. Impact-resistant plastic withstands drops and pressure without cracking. The scale remains accurate through extended project cycles.

Highlights

  • Satin-finished impact plastic resists daily wear
  • Easy-to-read black die-engraved graduations
  • Graduations won't rub out or fade
  • Model 9871831 for quick identification

Specifications

No published specifications for this item yet.

Questions about this item

How much heat does the scale generate when left on a desk all day?

The Staedtler 9871831BK is a passive plastic tool with no electronics, so it produces no heat and consumes no power during use.

What additional items are required to use the 9871831 architectural scale?

Only a pencil or pen is needed to mark measurements; the triangular scale itself has die-engraved graduations that are ready to use without accessories.

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