--- product_id: 353469507 title: "Khnum 12-Inch Architectural and Engineering Scale Ruler Set (Imperial) | Laser-Etched Aluminum Triangular Drafting Tool | for Architect and Civil Engineer Blueprints | Standard Metal Ruler Included" brand: "khnum" price: "€ 37.87" currency: EUR in_stock: true reviews_count: 5 category: "Khnum" url: https://www.desertcart.pt/products/353469507-khnum-12-inch-architectural-and-engineering-scale-ruler-set-imperial store_origin: PT region: Portugal --- # 3-sided precision scales Anodized aluminum durability Laser-etched permanent markings Khnum 12-Inch Architectural and Engineering Scale Ruler Set (Imperial) | Laser-Etched Aluminum Triangular Drafting Tool | for Architect and Civil Engineer Blueprints | Standard Metal Ruler Included **Brand:** khnum **Price:** € 37.87 **Availability:** ✅ In Stock ## Summary > 📐 Elevate your drafting game—measure like a pro, design like a visionary! ## Quick Answers - **What is this?** Khnum 12-Inch Architectural and Engineering Scale Ruler Set (Imperial) | Laser-Etched Aluminum Triangular Drafting Tool | for Architect and Civil Engineer Blueprints | Standard Metal Ruler Included by khnum - **How much does it cost?** € 37.87 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/353469507-khnum-12-inch-architectural-and-engineering-scale-ruler-set-imperial) ## Best For - khnum enthusiasts ## Why This Product - Trusted khnum brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Solid core anodized aluminum resists corrosion and daily wear—your drafting partner for years. - • **Instant Readability:** High-contrast, color-coded graduations speed up your workflow with zero guesswork. - • **Fade-Proof Precision:** Laser-etched grooves ensure your measurements stay sharp and reliable for life. - • **Triple-Scale Mastery:** Three imperial scales (1:10 to 1:60 & fractional inches) for flawless blueprint accuracy. - • **Professional Grade Confidence:** Trusted by architects and engineers for supreme accuracy on every project. ## Overview The Khnum 12-Inch Architectural and Engineering Scale Ruler Set is a professional-grade, laser-etched aluminum drafting tool featuring three precise imperial scales. Designed for architects and civil engineers, its anodized solid core ensures durability and corrosion resistance, while high-visibility, color-coded graduations enable quick, accurate measurements on blueprints and technical drawings. ## Description ✎HIGH VISIBILITY - Quick and easy to read. Sharp graduations and precise markings perform well on any blueprint or surface; 3 sided imperial scales: 1:10, 1:20, 1:30, 1:40, 1:50, 1:60 (engineer) and 1-1/2", 1, 3/4", 3/8", 3/16", 3/32", 1/2", 1/4", 1/8", 3, 16 engineering ruler engineer ruler architects scale triangular ruler Review: for some reason finding a ruler in 1/10th inch increments is not easy , I was pleased to find these , accurate and well made Review: High Quality dating/Auto-CAD tools. Heavy duty and easy to read. ## Features - ✎ 3 RULER COMBO SET - Architect ruler engineering scale professional or educational drafting tools metal ruler 18 inch - ✎ LASER ETCHED - Architect scale drafting ruler tat will last permanent grooves that will never fade - ✎ SOLID CORE ALUMINUM - Architect scale ruler engineer scale durable, anodized corrosion resistance - ✎HIGH VISIBILITY - scale drafting kit ruler contractor quick easy to read architecture scale graduations precise - ✎Professional grade - engineers scale scale ruler for blueprints supreme accuracy Color-coded groove ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08BNQVY6X | | ASIN | B08BNQVY6X | | Batteries Included? | No | | Batteries Required? | No | | Color | Black | | Customer Reviews | 4.8 4.8 out of 5 stars (1,020) | | Customer reviews | 4.8 4.8 out of 5 stars (1,020) | | Date First Available | 21 August 2020 | | Date First Available | 21 August 2020 | | Item Package Quantity | 1 | | Item Weight | 322 g | | Item model number | AESR-11 | | Item model number | AESR-11 | | Manufacturer | Khnum | | Manufacturer | Khnum | | Material | Aluminum, Metal | | Part number | AESR-11 | | Product Dimensions | 32 x 2.79 x 0.1 cm; 322 g | | Product Dimensions | 32 x 2.79 x 0.1 cm; 322 g | | Style | Modern | ## Product Details - **Brand:** Khnum - **Colour:** Black - **Graduation range:** 1/16 Inches - **Material:** Aluminum, Metal - **Style:** Modern ## Images ![Khnum 12-Inch Architectural and Engineering Scale Ruler Set (Imperial) | Laser-Etched Aluminum Triangular Drafting Tool | for Architect and Civil Engineer Blueprints | Standard Metal Ruler Included - Image 1](https://m.media-amazon.com/images/I/91IqQ6rmD2L.jpg) ![Khnum 12-Inch Architectural and Engineering Scale Ruler Set (Imperial) | Laser-Etched Aluminum Triangular Drafting Tool | for Architect and Civil Engineer Blueprints | Standard Metal Ruler Included - Image 2](https://m.media-amazon.com/images/I/81OslgW2Q8L.jpg) ![Khnum 12-Inch Architectural and Engineering Scale Ruler Set (Imperial) | Laser-Etched Aluminum Triangular Drafting Tool | for Architect and Civil Engineer Blueprints | Standard Metal Ruler Included - Image 3](https://m.media-amazon.com/images/I/81fUTcH4RvL.jpg) ![Khnum 12-Inch Architectural and Engineering Scale Ruler Set (Imperial) | Laser-Etched Aluminum Triangular Drafting Tool | for Architect and Civil Engineer Blueprints | Standard Metal Ruler Included - Image 4](https://m.media-amazon.com/images/I/81W0mywEeEL.jpg) ![Khnum 12-Inch Architectural and Engineering Scale Ruler Set (Imperial) | Laser-Etched Aluminum Triangular Drafting Tool | for Architect and Civil Engineer Blueprints | Standard Metal Ruler Included - Image 5](https://m.media-amazon.com/images/I/91nUHkbj7sL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by J***4 on 21 April 2023* for some reason finding a ruler in 1/10th inch increments is not easy , I was pleased to find these , accurate and well made ### ⭐⭐⭐⭐⭐ Review *by L***N on 27 January 2026* High Quality dating/Auto-CAD tools. Heavy duty and easy to read. ### ⭐⭐⭐⭐⭐ Review *by M***A on 20 February 2026* Great and sturdy. I think it’s very helpful that it comes in a bundle because my college classes requre both architecture and engineering scales! ## Frequently Bought Together - 12-Inch Architectural and Engineering Scale Ruler Set (Imperial) | Laser-Etched Aluminum Triangular Drafting Tool | for Architect and Civil Engineer Blueprints | Standard Metal Ruler Included - Mr. Pen Geometry Set with 6 Inch Swing Arm Protractor, Divider, Set Squares, Ruler, Compasses and Protractor, 15 Piece Set - Nicpro 6PCS Art Mechanical Pencil Set, 3PCS Metal Drafting Pencil 0.5 mm & 0.7 mm & 0.9 mm & 3PCS 2mm Graphite Lead Holder (2B HB 2H) For Writing, Sketching Drawing With Lead Refills Case --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/353469507-khnum-12-inch-architectural-and-engineering-scale-ruler-set-imperial](https://www.desertcart.pt/products/353469507-khnum-12-inch-architectural-and-engineering-scale-ruler-set-imperial) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-23*