Features: Engineered with a detachable T square and acrylic construction, this 3 piece measuring set ensures accurate drafting and layout tasks while solving glare issues common in metal rulers. Featuring nonreflective scale and tool, the lightweight yet acrylic structure provides optimal visibility across architectural, engineering, and educational applications. Ideal for like architects, woodworkers, and STEM educators, as well as student requiring measurement tools for technical drawings or classroom geometry projects. Perfectly adapts to construction site measurements, furniture installations, and drafting boards, maintainingclarity under varied lighting conditions from workshops to studios. The multipurpose T square set combines safety enhanced rounded edges with functionality, serving as essential acrylic measuring tool for engineering, crafts, and academic drafting exercises. Specifications: Materials: Acrylic, with good transparency and durability. Parameters: T-shaped removable , easy to carry and store. Size: Standard ruler length, suitable for a variety of measurement needs. Practicality: It is suitable for many fields such as architecture, drawing, engineering, especially for and student who need precise measurements. Package Includes: T-shaped ruler × 3pcs note: 1.Please allow 1-2cm errors due to manual measurement. 2.Please allow for slight color differences due to different display resolution.