--- product_id: 342943751 title: "True-Ally Triangle Scale Ruler, 30 cm/12-inch Long Plastic Straight Measuring Tool for Architects, Engineers, School/College Students, Office Employee (1-Piece)" brand: "true-ally" price: "£4.84" currency: GBP in_stock: true reviews_count: 8 category: "True Ally" url: https://www.desertcart.co.uk/products/342943751-true-ally-triangle-scale-ruler-30-cm-12-inch-long store_origin: GB region: Great Britain --- # Color-coded dual sides for quick scale ID 30cm/12-inch precision length High-impact durable plastic with satin finish True-Ally Triangle Scale Ruler, 30 cm/12-inch Long Plastic Straight Measuring Tool for Architects, Engineers, School/College Students, Office Employee (1-Piece) **Brand:** true-ally **Price:** £4.84 **Availability:** ✅ In Stock ## Summary > 📐 Measure like a pro, design like a visionary. ## Quick Answers - **What is this?** True-Ally Triangle Scale Ruler, 30 cm/12-inch Long Plastic Straight Measuring Tool for Architects, Engineers, School/College Students, Office Employee (1-Piece) by true-ally - **How much does it cost?** £4.84 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/342943751-true-ally-triangle-scale-ruler-30-cm-12-inch-long) ## Best For - true-ally enthusiasts ## Why This Product - Trusted true-ally brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Legacy of Excellence:** True-Ally’s 70+ years of professional-grade quality means you’re investing in reliability and precision. - • **Color-Coded Efficiency:** Red and yellow sides let you switch scales instantly—no more fumbling or second-guessing. - • **Versatile for Every Pro:** Trusted by architects, engineers, students, and hobbyists alike—your all-in-one measuring companion. - • **Comfort Meets Durability:** Soft satin finish and tapered edges ensure fatigue-free use during long design sessions. - • **Precision at Your Fingertips:** Multiple scale ratios (1:10 to 1:750) for flawless architectural and engineering measurements. ## Overview The True-Ally Triangle Scale Ruler is a 30cm/12-inch high-impact plastic measuring tool featuring 11 color-coded scale ratios from 1:10 to 1:750. Designed for architects, engineers, and students, it combines precision, durability, and comfort with a satin finish and tapered edges. Trusted since 1950, it’s a professional-grade essential for accurate drafting and design. ## Description True-Ally Triangle Scale Ruler, 30 cm/12-inch Long Plastic Straight Measuring Tool for Architects, Engineers, School/College Students, Office Employee (1-Piece) : desertcart.in: Office Products Review: Good quality Review: everything good and liked - everything good and liked ## Features - 30cm / 12inch Triangular scale is made of white plastic with precision divisions and has color coded sides of red and yellow 1:10, 1:20, 1:25, 1:50, 1:75, 1:100, 1:125, 1:200, 1:250, 1:500, 1:750. Dimensions are in (cm) and (m) for easier working - Multipurpose Scale - Designed for architect, engineer, and mechanical draftsman graduations. Great for students, hobbyists, and professionals alike. - Durable, Premium Material - Made with a soft, satin finish from high-impact plastic. Edges are tapered for comfort and ease of use. - Precision Design - Designed for accurate and reliable measurements and consistently straight edges to make every project easy and accurate. - A Professional's Choice - True-Ally has been the professional's choice for drafting tools and drawing supplies for over half a century. Since 1950, we have brought quality and value to our customers. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0997CXVZV | | Best Sellers Rank | #4,494 in Office Products ( See Top 100 in Office Products ) #33 in Rulers | | Brand | True-Ally | | Brand Name | True-Ally | | Colour | MultiColor | | Country of Origin | India | | Customer Reviews | 4.2 out of 5 stars 144 Reviews | | Item Dimensions L x W | 30L x 4W Centimeters | | Item Type Name | Ruler | | Manufacturer | True-Ally | | Material | Plastic | | Material Type | Plastic | | Product Dimensions | 30L x 4W Centimeters | | Style | Tool | | Style Name | Tool | | Unit Count | 1.00 Count | ## Product Details - **Brand:** True-Ally - **Colour:** MultiColor - **Material:** Plastic - **Product Dimensions:** 30L x 4W Centimeters - **Style:** Tool ## Images ![True-Ally Triangle Scale Ruler, 30 cm/12-inch Long Plastic Straight Measuring Tool for Architects, Engineers, School/College Students, Office Employee (1-Piece) - Image 1](https://m.media-amazon.com/images/I/51nLs03q2nS.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good quality *by A***O on 9 January 2026* ### ⭐⭐⭐⭐⭐ everything good and liked *by V***A on 3 October 2025* everything good and liked ### ⭐⭐⭐⭐⭐ Glad you like the product! 😊👍 *by J***I on 8 February 2026* Glad you like the product! 😊👍 ## Frequently Bought Together - True-Ally Triangle Scale Ruler, 30 cm/12-inch Long Plastic Straight Measuring Tool for Architects, Engineers, School/College Students, Office Employee (1-Piece) - Jashgop Multifunctional Geometric Ruler Mathematics Drawing Template for Woodworking Style A | 1 Multifunctional Geometric Ruler. --- ## 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.co.uk/products/342943751-true-ally-triangle-scale-ruler-30-cm-12-inch-long](https://www.desertcart.co.uk/products/342943751-true-ally-triangle-scale-ruler-30-cm-12-inch-long) --- *Product available on Desertcart Great Britain* *Store origin: GB* *Last updated: 2026-04-23*