For designers, engineers, or crafters who need precision, this Dorapas Template E407 ruler is a handy tool. It’s cut using a computer-automated engraving machine, so the edges are smooth and accurate every time. Made from a special gray smoke plastic material, it’s easy on the eyes even during long sessions—no glare thanks to the matte finish on one side. The template is designed for microcomputer-related drafting and technical drawing, making it ideal for electronics, PCB layouts, or detailed schematics. It’s sturdy, lightweight, and built to resist wear. Whether you're a professional or a hobbyist, this ruler helps you create clean, consistent lines without guesswork. A reliable addition to your drafting kit or workspace. Simple, effective, and made for those who appreciate quality tools.