Janrax 100cm T‑Square for Teachers – ABS Ruler with Handle

Janrax 100cm T‑Square for Teachers – ABS Ruler with Handle. This 100cm ABS Teaching T‑Square Ruler is designed for accurate drawing, drafting, and classroom demonstrations, ensuring perfectly straight lines and precise angles. Made from environmentally friendly, non‑toxic ABS , it offers excellent durability, toughness, and resistance to deformation—ideal for long‑term use in busy teaching environments. The smooth, burr‑free surface protects hands and provides a comfortable drawing experience during extended lessons. A built‑in ergonomic handle allows for easy positioning and stable control on whiteboards, paper, and other teaching surfaces. Measuring 100 × 5.3 cm with a sturdy 4mm thickness , it withstands repeated drops without damage. A reliable, professional‑grade tool for math, engineering, geometry, and technical instruction.