The 45 and 60 Degree Transparent Set Square Pair provides two essential drafting triangles for constructing perpendicular lines, parallel lines and standard geometric angles. The transparent body helps users align the instruments with underlying drawings and reference points. Specifications: one 45-degree triangle and one 30/60-degree triangle, approximately 35 cm maximum length depending on model, transparent plastic construction and selected metric graduations. Suitable for schools, colleges, architects, designers and technical departments.