Multifunctional geometric ruler can meet your different needs in daily use and is for measurement Many geometric figures of different shapes are placed on a ruler, which is very to carry draft ruler can be a students, teachers, artists, and craft lovers. A ruler is worth many ordinary rulers From artist to students, this ruler is a good helper for your work or study This is a geometric drawing ruler that integrates multiple functions, including different designs, which can exercise practical skills and imagination, Manufacturer: Zqxnt