Essential for architects who check angles, students completing shape challenges, and craftsmen who need portable measurement Designed with etched dual scale scales (cm/inch) and reinforced edges, this pocket-sized measuring tool withstands daily wear and tear while maintaining calibration integrity For construction site angle verification, classroom math demonstration, and home improvement projects requiring precision of multitool Multifunctional combination tool card integrates steel protractor, ruler and angle finder for engineering, projects, and educational applications High visibility etched markings and corrosion resistant stainless steel construction ensure long-lasting accuracy throughout woodworking, drawing, and workshop environments, Manufacturer: Netbiio