This Aristo Geotec Geometric Set Square, with a 45º angle, 25cm length, and included handle, offers greater stability and control during drawing thanks to its ergonomic grip, which reduces slippage on the paper and ensures more accurate lines. The Aristo Geotec line is a benchmark in professional technical drawing instruments, suitable for both advanced students and those working in architecture and engineering. A reliable choice for accuracy and precision in technical work.