Faber Castell Sphere Mathematical Drawing Instruments Box

The Faber Castell Sphere Mathematical Drawing Instruments Box represents premium engineering for technical professionals. Featuring reinforced sheet metal construction, the compass and divider deliver exceptional durability and precision. Double-sided plating ensures extended rust-free performance, protecting your investment through years of use. This comprehensive nine-piece set includes dual set squares (45° and 60°), 15cm scale, 180° protractor, mechanical pencil, eraser, and sharpener—providing complete capability for architectural drawings, engineering blueprints, and mathematical constructions. Each instrument is calibrated for accuracy, making this collection indispensable for architects, engineers, and technical drafters who require reliable, long-lasting drawing tools.