STAEDTLER 12in Engineer Scale Ruler - Triangular Engineering Ruler with 6 Scales(10-60 Parts/Inch), Color-Coded Grooves, Plastic

The STAEDTLER 12-Inch Engineer's Triangular Scale (98718-34BK) delivers exceptional accuracy for engineers and students. This high-impact polystyrene ruler features six distinct scales (10-60 parts per inch) across three sides with die-engraved, permanent graduations. Color-coded grooves enable quick scale selection, while the durable construction ensures lasting performance. The clear, easy-to-read markings and engineering-grade precision make this triangular scale an essential tool for technical drafting and architectural work.

• PROFESSIONAL ACCURACY - This 12-inch engineering ruler has die-engraved graduations in 6 precise scales (10-60 parts per inch), ensuring reliable accuracy for engineering and technical drawings.
• COLOR-CODED DESIGN - Distinctive grooves with color coding help you instantly identify and switch between different measurement scales, reducing errors and saving valuable drafting time.
• PERMANENT MARKINGS - Unlike standard rulers, this engineer's scale ruler has die-engraved graduations that will not fade or rub off, ensuring long-lasting readability through years of use.
• DURABLE CONSTRUCTION - This engineering scale ruler is made from impact-resistant plastic, resisting wear while maintaining precise measurements for engineering and architectural work.
• STAEDTLER - Leading manufacturer and supplier of writing, paint, drawing and modeling products that help people around the world realize and share their ideas.