![Metal Scale Ruler, 2PCS Aluminium Triangular Scale Ruler Metric for Architects & Engineers : 1:20, 1:25, 1:50, 1:75, 1:100, 1:125/1:100, 1:200, 1:250, 1:300, 1:400, 1:500 : Amazon.co.uk: Stationery & Office Supplies Metal Scale Ruler, 2PCS Aluminium Triangular Scale Ruler Metric for Architects & Engineers : 1:20, 1:25, 1:50, 1:75, 1:100, 1:125/1:100, 1:200, 1:250, 1:300, 1:400, 1:500 : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/I/61oEjFQCPIL._AC_SL1000_.jpg)
Metal Scale Ruler, 2PCS Aluminium Triangular Scale Ruler Metric for Architects & Engineers : 1:20, 1:25, 1:50, 1:75, 1:100, 1:125/1:100, 1:200, 1:250, 1:300, 1:400, 1:500 : Amazon.co.uk: Stationery & Office Supplies
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METAL RULER STAINLESS STEEL - SET OF 3 RULERS 30CM/ 12" / 15CM/ 6" & 20CM/ 8" | eBay
![Plastic Flexi 12" Easy To Read English Metric 300mm Ruler - Contemporary - Hand Tools And Tool Sets - by Rok Hardware | Houzz Plastic Flexi 12" Easy To Read English Metric 300mm Ruler - Contemporary - Hand Tools And Tool Sets - by Rok Hardware | Houzz](https://st.hzcdn.com/simgs/8351d6680d113a3a_9-0470/home-design.jpg)
Plastic Flexi 12" Easy To Read English Metric 300mm Ruler - Contemporary - Hand Tools And Tool Sets - by Rok Hardware | Houzz
![Ruler 150 Centimeter. Ruler 60 Inch. Precise Measuring Tool Stock Illustration - Illustration of isolated, equipment: 138429959 Ruler 150 Centimeter. Ruler 60 Inch. Precise Measuring Tool Stock Illustration - Illustration of isolated, equipment: 138429959](https://thumbs.dreamstime.com/b/ruler-centimeter-ruler-inch-precise-measuring-tool-inches-size-indicators-calibration-grid-ruler-centimeter-ruler-inch-precise-138429959.jpg)
Ruler 150 Centimeter. Ruler 60 Inch. Precise Measuring Tool Stock Illustration - Illustration of isolated, equipment: 138429959
![Architectural Scale Ruler, Aluminum Triangular Scale Ruler Metric 1:20, 1:25, 1:50, 1:75, 1:100, 1:125 Standard 12 Inch for Architects, Students, Draftsman and Engineers-Black : Amazon.co.uk: Stationery & Office Supplies Architectural Scale Ruler, Aluminum Triangular Scale Ruler Metric 1:20, 1:25, 1:50, 1:75, 1:100, 1:125 Standard 12 Inch for Architects, Students, Draftsman and Engineers-Black : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/I/61jxy0HdWWL._AC_SY355_.jpg)
Architectural Scale Ruler, Aluminum Triangular Scale Ruler Metric 1:20, 1:25, 1:50, 1:75, 1:100, 1:125 Standard 12 Inch for Architects, Students, Draftsman and Engineers-Black : Amazon.co.uk: Stationery & Office Supplies
![What are these 12" rulers used for? They don't have standard marks except for the inches. The gauge is with 11 or 14 marks per inch or 14 or 18 marks per What are these 12" rulers used for? They don't have standard marks except for the inches. The gauge is with 11 or 14 marks per inch or 14 or 18 marks per](https://preview.redd.it/onjexa0104r71.jpg?width=640&crop=smart&auto=webp&s=90f63759506831b484408c2c69e1600ca85c341e)