Say goodbye to your dull collection of rulers with this All-in-One Geometry Ruler! This ruler is an all-in-one ruler designed to draw a variety of shapes. This ruler has a rotating mechanism, so no need to rotate your protractor or some other kind of ruler to get the exact shape. Designed with 14 geometric figures of different shapes with transparent measuring scale to meet your geometry needs. Ideal for artist, designer, mathematician, architect, students or other professional! FEATURES SPECIFICATIONS PACKAGE INCLUDES