Made of polystyrene, the Möbius+Ruppert (M+R) geometric instrument is a plastic ruler measuring 20 cm in color smoke (rauchgrau). It features engraved mm and cm, with an ink-resistant edge (Tuschekante) and an inclined tip for precise drawings. The extra-wide body (~3.5 cm) provides better grip and stability. It includes a hole for hanging storage. Available...