The Faber-Castell Universal Plugin is a useful accessory that expands the functionality of your drawing tool. It enables the use of various writing and drawing tools, allowing for precise and diverse graphic tasks.This plugin is compatible with most of Faber-Castel's compasses and enables to use alternative accessories such as color pencils, pens or technical graffiti which makes it ideal for school, technical drawings, architectural drawings or artistic projects. 
On request