Designed for students mastering measurement fundamentals and hobbyists crafting detailed technical drawings, this set bridges classroom learning with real world applications Featuring graduations on aluminum, these tools maintain accuracy for repeated use while remaining lightweight for school backpacks or art cases Tackle math homework at study desks, sketch architectural concepts in art studios, or measure materials during event with these strong, portable geometry tools Engineered with rounded, edges to hand injuries, this essential measuring empowers little minds to explore mathematics and design safely while building awareness skills The Aluminum Ruler Set combines a straightedge, protractor, and two triangles in 1 versatile, perfect for measurements and creative geometry projects, Manufacturer: Thatiarry