2pcs 30cm T-Square Double Side Scale Plastic Measuring Tool T Shape Ruler for Drafting and General Layout Work (inch, cm)
https://www.vogueparade.com/shopping/EN/2139/1/1005003446443341/2pcs-30cm-t-square-double-side-scale-plastic-measuring-tool-t-shape-ruler-for-drafting-and-general-layout-work-inch-cm//