Technical set square is a versitile drawing aid for ecducation in technical drawing. For fine line pencils 0.5mm with detachable handle. Designed for electrical industry technical training. Protractor 180 degrees. Dimensions to DIN 406. Lettering. Greek letters, graphic symbols, sine and cosine symbols, basic equipment shapes, symbols for switching elements, switch symbols for electrical and electronic components. Millimetre scale.
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Marabu Techno-Dreieck 45
