The Drafting Set is comprised of an array of tools to help you create precise blueprints and geometric compositions. Every tool is designed for maximum precision and accuracy, allowing you to draw and measure with ease. The set includes a 30cm ruler, a technical compass set, a triangular scale (30cm), a semi-circle protractor, a technical drawing pencil (2mm) and two set squares, with a 45 degree angle and a 60 degree angle. Whether for professional use or schoolwork, these drafting tools have a huge range of uses. Pack size: 37 x 19 x 4cm (14.6 x 7.5 x 1.6 inches) Seven packIncludes 30cm ruler, a technical compass set, a triangular scale (30cm), a semi-circle protractor (15cm), a technical drawing pencil and two set squares, with a 45 degree angle (19cm) and a 60 degree angle (24cm) Suitable for a range of drawing and measuring tasks Perfect for creating precise blueprints and geometric compositionsDrafting Set 7 Pieces