KEWEN technical drawing ruler
 Classification and proportions:
 Small (TL 1/100) and Large (TL 1/50) will help you choose the right ruler for the specific job, depending on the scale you need to draw or measure.
 Applications:
 Graphing and Charting: Accurate scaling will come in handy when you need to make technical charts or graphs in projects.
 Sewing: For small details, this ruler will be a good support in measuring and drawing patterns.
 Technical drawing: is an essential tool for those working in the fields of architecture, interior design, or planning.