SDS 21cm Set Square - 30/60° Blue Each Ruler  (Blue)

SDS 21 cm Set Square – 30/60° Blue (Each) Create clean, accurate lines and angles with the SDS 21 cm Set Square (30/60°). Ideal for school, office, and professional drafting use, this reliable set square provides precise 30° and 60° angle guides plus a straight edge for measuring and drawing. Its sturdy, durable blue construction withstands everyday wear, while the lightweight design makes it easy to handle during long study or design sessions. Perfect for students, teachers, designers, architects, engineers, and hobbyists working on technical drawings, geometry, and design projects. The 21 cm length offers versatile use in maths, art, and CAD-related tasks. Supplied individually (each) for convenient classroom or office stocking. Keep out of reach of small children.