Multifunctional:This drafting ruler doubles as a protractor, miter gauge, and scribing tool, while also serving as a compass and angle measurer for effortlessly drawing perfect circles and patterns User-Friendly Operation:The metal ruler enables precise drawing of straight lines, arcs, and circles, measuring blueprints, creating mandala patterns, and even doubling as a pen rest during breaks Set Contents:Includes two practical modules—a straight-edge ruler with linear graduations and an abstract ruler with curved contours—integrated with a brushed metal guide rail. Comes with a wrench set and bottle opener Versatile Utility:An innovative pocket drafting tool designed for designers, artists, architects, journalers, mandala enthusiasts, illustrators, tattoo artists, students, and creative professionals Precision Clear Graduations:This multi-functional ruler set features professionally calibrated metric graduations. The black coating enhances visibility, ensuring clear, durable markings that remain legible over time, Manufacturer: Eddwiin